Liabilities / Assets
22nd percentile
Higher debt load relative to assets than 22% of similar nonprofits.
EIN 05-0264797 • 501(c)3 • Providence, RI
Profile
Please see schedule o.the american mathematical society, founded in 1888 to further the interests of mathematical scholarship and research, serves the international mathematical community through its publications, meetings, advocacy and other programs, which: (a) promote mathematical research and its uses; (b) encourage and promote the transmission of mathematical understandings and skills to ensure the continued vitality of the profession; (c) support mathematical education at all levels; (d) advance the status of the profession of mathematics, encouraging and facilitating full participation of all individuals, and, (e) foster an awareness and appreciation of mathematics and its connections to other disciplines and everyday life.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
22nd percentile
Higher debt load relative to assets than 22% of similar nonprofits.
Liabilities / Revenue
57th percentile
Higher debt load relative to revenue than 57% of similar nonprofits.
Net Margin
54th percentile
Higher net margin than 54% of similar nonprofits.
Top Officer Pay
22nd percentile
Higher top officer pay than 22% of similar nonprofits.
Top officer pay equals 0.9% of source-year revenue.
Asset Growth
71st percentile
Faster asset growth than 71% of similar nonprofits.
Revenue Growth
15th percentile
Faster revenue growth than 15% of similar nonprofits.
Assets
Up$285,510,668
Up $26,744,199 (+10%) from 2023
Liabilities
Down$23,056,822
Down $777,863 (-3.3%) from 2023
Net Assets
Up$262,453,846
Up $27,522,062 (+12%) from 2023
Revenue
Down$39,854,863
Down $3,680,438 (-8.5%) from 2023
Expenses
Up$38,014,330
Up $2,614,183 (+7.4%) from 2023
Net Income
Down$1,840,533
Down $6,294,621 (-77%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Please see schedule o.the american mathematical society, founded in 1888 to further the interests of mathematical research, scholarship, and education, serves the national and international mathematical community through its publications, meetings, advocacy and other programs, which: (a) promote mathematical research and its uses; (b) encourage and promote the transmission of mathematical understandings and skills to ensure the continued vitality of the profession; (c) support mathematical education at all levels; (d) advance the status of the profession of mathematics, encouraging and facilitating full participation of all individuals, and, (e) foster an awareness and appreciation of mathematics and its connections to other disciplines and everyday life.
The american mathematical society's ("ams or "the society") broad mission is to further the interest of mathematical research, scholarship and education, which is accomplished through publications, meetings, services, advocacy in education, research and other areas.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $232,877,482 | $257,126,920 | ▲ $24,249,438 |
| Savings and Temporary Cash Investments | $12,062,896 | $11,654,213 | ▼ $408,683 |
| Cash and Non-Interest-Bearing Accounts | $2,246,131 | $3,858,722 | ▲ $1,612,591 |
| Land, Buildings, and Equipment, Net | $2,906,033 | $2,867,823 | ▼ $38,210 |
| Prepaid Expenses and Deferred Charges | $2,017,606 | $2,621,670 | ▲ $604,064 |
| Inventories for Sale or Use | $1,047,255 | $1,158,048 | ▲ $110,793 |
| Accounts Receivable | $970,482 | $836,941 | ▼ $133,541 |
| Intangible Assets | $570,144 | $424,971 | ▼ $145,173 |
| Pledges and Grants Receivable | $163,691 | $89,272 | ▼ $74,419 |
| Total Assets | $258,766,469 | $285,510,668 | ▲ $26,744,199 |
| Other Assets Total | $3,904,749 | $4,872,088 | ▲ $967,339 |
| Liabilities | |||
| Deferred Revenue | $12,601,019 | $11,445,670 | ▼ $1,155,349 |
| Other Liabilities | $6,342,569 | $6,875,458 | ▲ $532,889 |
| Accounts Payable and Accrued Expenses | $4,891,097 | $4,735,694 | ▼ $155,403 |
| Total Liabilities | $23,834,685 | $23,056,822 | ▼ $777,863 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $197,289,880 | $219,250,747 | ▲ $21,960,867 |
| Net Assets With Donor Restrictions | $37,641,904 | $43,203,099 | ▲ $5,561,195 |
| Total Net Assets Fund Balance | $234,931,784 | $262,453,846 | ▲ $27,522,062 |
| Total Liabilities and Net Assets / Fund Balance | $258,766,469 | $285,510,668 | ▲ $26,744,199 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $1,490,247 | $8,796,867 | $10,287,114 |
| Equipment | $918,309 | $6,379,707 | $7,298,016 |
| Land | $459,267 | - | $459,267 |
| Other Land Buildings | $0 | $44,030 | $44,030 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $214,160,541 | $12,438,080 | ▲ $22,436,618 | $6,416,664 | $242,618,575 |
| 2023 | $190,968,207 | $8,456,099 | ▲ $21,846,207 | $7,109,972 | $214,160,541 |
| 2022 | $223,255,884 | $9,186,303 | ▼ $35,312,072 | $5,712,252 | $190,968,207 |
| 2021 | $199,679,860 | $785,184 | ▲ $27,865,507 | $5,074,667 | $223,255,884 |
| 2020 | $184,902,288 | $713,742 | ▲ $19,106,783 | $5,042,953 | $199,679,860 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Lucy R Maddock | Chief Financial Officer | FT | $353,948 | $36,798 | $390,746 |
| Robert M Harington | Chief Publishing Officer | FT | $275,113 | $29,288 | $304,401 |
| Edward Dunne | Executive Editor, Math Reviews | FT | $240,311 | $54,537 | $294,848 |
| Karen Saxe | SVP, Government Relations | FT | $243,656 | $39,127 | $282,783 |
| Erol Ozil | Director, Mr Information Systems | FT | $204,641 | $37,820 | $242,461 |
| John E Meier | Chief Executive Officer | FT | $213,183 | $9,073 | $222,256 |
| Sergei Gelfand | Senior Acquisitions Editor | FT | $172,758 | $37,217 | $209,975 |
| Douglas H Allen | Avp, Development | FT | $150,512 | $53,515 | $204,027 |
| Jeffery Howley | Dir., It Software Engineering | FT | $154,503 | $31,605 | $186,108 |
| Dean Carlson | Associate Editor | FT | $154,627 | $31,465 | $186,092 |
| Nicola S Poser | Director, Marketing & Sales | FT | $164,866 | $18,212 | $183,078 |
| Kristen S Osterhout | Chief Operating Officer | FT | $152,265 | $16,057 | $168,322 |
| Name | Title |
|---|---|
| Jennifer Taback | Chair |
| Bryna Kra | President |
| David Morrison | Trustee |
| Jonathan Mattingly | Trustee |
| Joseph H Silverman | Trustee |
| Judy L Walker | Trustee |
| Linda Chen | Associate Treasurer |
| Boris Hasselblatt | Secretary |
| Douglas Ulmer | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Knowledgeworks Global Ltd | Editorial Services - Ams Publications | 301 CONCOURSE BLVD SUITE 210, Glen Allen, VA 23059, Gm | $203,501 |
| Krautzource Ug | Editorial Services - Ams Publications | 4 OLD NEWTOWN ROAD, Danbury, CT 06810, Gm | $155,805 |
| Westchester Publishing Services LLC | It Consulting | - | $150,483 |
| - | Desktop Publishing Service | - | $144,968 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 2 | $198,010 | Fair Market Value |
| Total Noncash Contributions | 2 | $198,010 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $23,959,685 |
| Other Expenses | $13,138,046 |
| Grants and Similar Amounts Paid | $916,599 |
| Total Fundraising Expense | $782,810 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $14,317,182 | $2,050,812 | $371,567 | $16,739,561 |
| Travel | $3,084,082 | $198,689 | $23,544 | $3,306,315 |
| Fees for Services Other | $2,666,915 | $412,527 | $51,938 | $3,131,380 |
| Other Employee Benefits | $1,992,716 | $463,335 | $47,859 | $2,503,910 |
| Current Officers, Directors, Trustees, and Key Employees | $1,660,754 | $243,883 | $42,834 | $1,947,471 |
| Pension Plan Contributions | $1,238,962 | $180,509 | $30,698 | $1,450,169 |
| Payroll Taxes | $1,135,557 | $153,638 | $29,379 | $1,318,574 |
| Office Expenses | $688,111 | $196,388 | $7,019 | $891,518 |
| Depreciation Depletion | $726,700 | $96,975 | - | $823,675 |
| Occupancy | $805,313 | $147 | - | $805,460 |
| Grants to Domestic Orgs | $574,192 | - | - | $574,192 |
| Information Technology | $475,633 | $18,052 | - | $493,685 |
| All Other Expenses | - | $332,074 | $153,041 | $485,115 |
| Royalties | $464,037 | - | - | $464,037 |
| Grants to Domestic Individuals | $324,407 | - | - | $324,407 |
| Fees for Services Legal | $141,988 | $112,556 | $1,424 | $255,968 |
| Insurance | $250,483 | - | - | $250,483 |
| Advertising | $109,353 | $238 | $9,590 | $119,181 |
| Fees for Services Accounting | $8,291 | $96,121 | - | $104,412 |
| Foreign Grants | $18,000 | - | - | $18,000 |
| Other Expenses | $1,975,310 | $286 | $13,917 | $286 |
| Total Functional Expenses | $32,657,986 | $4,573,534 | $782,810 | $38,014,330 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $38,014,330 |
| Total Expenses per Audited Statements | $38,014,330 |
| Total Expenses per Form 990 | $38,014,330 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| University of Southern California | Los Angeles, CA | 501(c)(3) | Birman Fellowship | $50,000 |
| William Marsh Rice University | Houston, TX | 501(c)(3) | Claytor-gilmer Fellowship | $50,000 |
| Virginia Polytechnic Institute and State University | Blacksburg, VA | 501(c)(3) | Bergman Fellowship | $25,000 |
| Mathematical Staircase Inc | Chicopee, MA | 501(c)(3) | Epsilon Fund - Annual Support | $22,000 |
| Kansas State University | Manhattan, KS | 501(c)(3) | Epsilon Fund - Annual Support | $15,000 |
| New York Math Circle | New York, NY | 501(c)(3) | Epsilon Fund - Annual Support | $15,000 |
| American Association for the Advancement of Science | Washington, DC | 501(c)(3) | Mass Media Fellowship | $13,000 |
| Sigmacamp Inc | East Setauket, NY | 501(c)(3) | Epsilon Fund - Annual Support | $12,000 |
| Colorado State University | Fort Collins, CO | 501(c)(3) | Epsilon Fund - Annual Support | $10,000 |
| Graduate Student Chapter | Waco, TX | 501(c)(3) | Epsilon Fund - Annual Support | $10,000 |
| New York University | New York, NY | 501(c)(3) | Epsilon Fund - Annual Support | $10,000 |
| The Art of Problem Solving Initiative Inc | New York, NY | 501(c)(3) | Epsilon Fund - Annual Support | $10,000 |
| Pz Math Corporation | Williamstown, MA | 501(c)(3) | Epsilon Fund - Annual Support | $8,000 |
| Brown University | Providence, RI | 501(c)(3) | Epsilon Fund - Annual Support | $7,000 |
| Recinto Universitario De Mayaguez | Mayaguez, PR | 501(c)(3) | Epsilon Fund - Annual Support | $5,500 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Europe | Program Services | - | 0 | 2 | $367,482 |
| Europe | Grants to Recipients Located in Region | - | 0 | 0 | $11,500 |
| Middle East and North Africa | Grants to Recipients Located in Region | - | 0 | 0 | $6,000 |
| East Asia and the Pacific | Grants to Recipients Located in Region | Sales-math Publications | 0 | 0 | $500 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Post Retirement Benefit Obligation | $4,563,176 |
| Operating Lease Liability | $2,312,282 |
“There are four classes of members: ordinary, contributing, corporate, and institutional.”
“The individual membership elects all board members, except the treasurer and associate treasurer. The treasurer and associate treasurer serve with approval of the council. A second governing body, the council, has some members that are elected by the membership.”
“The bylaws may only be amended on recommendation of the council and with the approval of the membership of the society, such approval consisting of an affirmative vote by two-thirds of the members present at a business meeting or of two-thirds of the members voting in a mail ballot in which at least ten percent of the members vote, whichever alternative has been designated by the council and carried out subject to the specific procedures outlined in the bylaws.”
“The 990 is prepared by the fiscal department and the society's tax advisors, citrin cooperman advisors. When the final draft is prepared, it is reviewed by the chief financial officer and the executive director. After this review, the board of trustees is asked to review the 990 electronically by accessing a secure internet site. They are given approximately three to five business days to review the draft. After responding to any feedback from the trustees, the filing is made.”
“Ams officers, trustees, and key employee, who are defined as interested persons, are required to disclose annually financial interests that could give rise to conflicts by signing off on the conflict of interest policy. The ams adopted this policy in november 2011 and trustees signed off on this policy in november. Each november trustees and key employees will be asked to again sign off on the policy and disclose any possible or actual conflicts. The ams defines an "interested person" according to the irs definition, and they are any director, principal officer, or member of a committee with board-delegated powers, who has a direct or indirect financial interest. An interested person must disclose a financial interest, as defined by the irs, that is a potential conflict to the board of trustees or committee who will decide if a conflict exists. If the board of trustees or committee with board-delegated powers, excluding the interested person decides that a conflict exists, alternative transactions or arrangements might be made after investigating in order to avoid the conflict. Alternatively, disinterested persons on the board of trustees or committee may determine that a transaction is fair or reasonable and in the best interests of the organization. The interested person who has a conflict may not vote on matters for which there is a conflict of interest and they must be excluded from discussions of matters for which there is a conflict of interest.”
“The board of trustees reviews and approves with the executive director the process by which the executive director establishes the salary and benefits of the chief financial officer and key employees for the upcoming year. Included in this review is comparison data from compensation surveys. With respect to the executive director, the board is given salary and benefit amounts approved for the current year, and proforma amounts for the upcoming year. The board is also given comparison data from compensation surveys to assist with compensation decisions for the executive director. The board takes into consideration the information provided by staff as well as compensation surveys and performance in setting his/her compensation for the following year. All compensation surveys used for setting the executive director and key employees' salaries are from independent sources, and they are gathered by a human resources professional. The board documents their process for setting the salaries each year.”
“The society's governing documents are on the society's website. The annual report of the treasurer, including the financial statement, is published each year in the society's publication, notices of the american mathematical society. These publications are available on the website.”
“Professor boris hasselblatt, secretary, is employed by tufts university. The society has an agreement with the university to reimburse for half of the compensation paid by the university to him since he will spend half of his time providing services to the society in his role as secretary. The amounts shown in part vii are equal to the amounts paid by the society during 2022 with respect to this agreement even though they were paid to the university rather than to him directly.”
“Post retirement benefit changes 238,815.”
“The income from endowment funds from donors is used for specific purposes, such as prizes, lectures, scholarships, grants and outreach projects. The majority of the endowment funds are board-designated funds. These funds include: (1) the journal archive fund, which provides funding for the society to change its archival formatting of its publication when required in the future; (2) the young scholars fund, which provides support to summer math camps for talented young students; (3) the operating support fund, which supports the operating activities of the society; (4) the economic stabilization fund, which is a true reserve fund for the society to use should economic emergencies arise; (5) the backfile digitization fund, which provides funds for the digitization of the society's books; (6)the strategic planning fund, which provides funding for strategic planning projects.”
“The society accounts for the effect of any uncertain tax positions based on a "more likely than not" threshold to the recognition of the tax positions being sustained based on the technical merits of the position under scrutiny by the applicable taxing authority. If a tax position or positions are deemed to result in uncertainties of those positions, the unrecognized tax benefit is estimated based on a "cumulative probability assessment" that aggregates the estimated tax liability for all uncertain tax positions. The society has identified its tax status as a tax-exempt entity and its determinations to classify income as related and unrelated as its only significant tax positions; however, the society has determined that such tax positions do not result in an uncertainty requiring recognition.”
“Postretirement benefit changes 238,815.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 4891097 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4735694 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 970482 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 836941 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE AMERICAN MATHEMATICAL SOCIETY'S ("AMS OR "THE SOCIETY") BROAD MISSION IS TO FURTHER THE INTEREST OF MATHEMATICAL RESEARCH, SCHOLARSHIP AND EDUCATION, WHICH IS ACCOMPLISHED THROUGH PUBLICATIONS, MEETINGS, SERVICES, ADVOCACY IN EDUCATION, RESEARCH AND OTHER AREAS. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 9590 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 238 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 109353 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 119181 |
| IRS990/AllOtherContributionsAmt | 0 | 3625514 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 153041 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 332074 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 485115 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | LUCY R MADDOCK |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4014554000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 201 CHARLES STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PROVIDENCE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | RI |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02904 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 2246131 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 3858722 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 42834 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 243883 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 1660754 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1947471 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 203501 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 155805 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 150483 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 144968 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/AddressLine1Txt | 0 | LUETT ISERBROOK 25 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/AddressLine1Txt | 1 | KOLFHAUSSTR 7 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CityNm | 0 | HAMBURG |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CityNm | 1 | BONN |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CountryCd | 0 | GM |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/CountryCd | 1 | GM |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/ForeignPostalCd | 0 | 22589 |
| IRS990/ContractorCompensationGrp/ContractorAddress/ForeignAddress/ForeignPostalCd | 1 | 53173 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 301 CONCOURSE BLVD SUITE 210 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 4 OLD NEWTOWN ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | GLEN ALLEN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | DANBURY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 23059 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 06810 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | KNOWLEDGEWORKS GLOBAL LTD |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | KRAUTZOURCE UG |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | WESTCHESTER PUBLISHING SERVICES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | G TILMANN METTE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | EDITORIAL SERVICES - AMS PUBLICATIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | EDITORIAL SERVICES - AMS PUBLICATIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | IT CONSULTING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | DESKTOP PUBLISHING SERVICE |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 6972141 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 916599 |
| IRS990/CYInvestmentIncomeAmt | 0 | 7084503 |
| IRS990/CYOtherExpensesAmt | 0 | 13138046 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 25798219 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1840533 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 23959685 |
| IRS990/CYTotalExpensesAmt | 0 | 38014330 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 782810 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 39854863 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 1 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 12601019 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 11445670 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 96975 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 726700 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 823675 |
| IRS990/Desc | 0 | PUBLICATION AND DISSEMINATION OF MATHEMATICAL LITERATURE, INCLUDING UPPER-LEVEL UNDERGRADUATE COURSE MATERIAL, PROCEEDINGS OF MEETINGS IN CURRENT TOPICAL AREAS AND HIGH-LEVEL RESEARCH MONOGRAPHS. AMS PUBLICATIONS INCLUDE THE MATHEMATICAL REVIEWS DATABASE, MATHSCINET, THE PREMIER MATHEMATICAL RESEARCH TOOL, CONTAINING CITATIONS AND REVIEWS OF MATHEMATICAL LITERATURE DATING BACK TO 1940, AND BIBLIOGRAPHIC ITEMS DATING BACK TO 1812. IN 2024, THE AMS PUBLISHED 25,272 PAGES OF NEW MATERIAL IN 61 NEW BOOKS. AMS JOURNALS AND OTHER PUBLICATIONS INCLUDED 35,350 PAGES OF PUBLISHED MATERIAL. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 37641904 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 43203099 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 251 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 23631201 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 96121 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 8291 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 104412 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 1424 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 112556 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 141988 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 255968 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 51938 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 412527 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2666915 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 3131380 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 18000 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 18000 |
| IRS990/ForeignOfficeInd | 0 | 1 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 25.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 35167 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 8273 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 26833 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 36672 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 49812 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 36220 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 29858 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 16762 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 27502 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 31284 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 15598 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 52065 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | BRYNA KRA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DOUGLAS ULMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BORIS HASSELBLATT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LINDA CHEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JENNIFER TABACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JONATHAN MATTINGLY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DAVID MORRISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOSEPH H SILVERMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JUDY L WALKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LUCY R MADDOCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JOHN E MEIER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ROBERT M HARINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | KAREN SAXE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | EDWARD DUNNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | EROL OZIL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | SERGEI GELFAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | NICOLA S POSER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | DEAN CARLSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | JEFFERY HOWLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | KRISTEN S OSTERHOUT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | DOUGLAS H ALLEN |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 355579 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 213983 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 277568 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 246111 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 245036 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 206241 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 180117 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 166316 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 158590 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 154824 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 152724 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 151962 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | ASSOCIATE TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | CHIEF EXECUTIVE OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | CHIEF PUBLISHING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | SVP, GOVERNMENT RELATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | EXECUTIVE EDITOR, MATH REVIEWS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR, MR INFORMATION SYSTEMS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | SENIOR ACQUISITIONS EDITOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | DIRECTOR, MARKETING & SALES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | ASSOCIATE EDITOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | DIR., IT SOFTWARE ENGINEERING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CHIEF OPERATING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | AVP, DEVELOPMENT |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1923 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GovernmentGrantsAmt | 0 | 879126 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 324407 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 324407 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 574192 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 574192 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 39854863 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 56 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 18052 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 475633 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 493685 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 250483 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 250483 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 570144 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 424971 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 1047255 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 1158048 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 7084503 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 7084503 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 232877482 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 257126920 |
| IRS990/IRPDocumentCnt | 0 | 866 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 15220604 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 2906033 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 2867823 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 18088427 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 2467501 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | PLEASE SEE SCHEDULE O.THE AMERICAN MATHEMATICAL SOCIETY ("AMS OR "THE SOCIETY") FOUNDED IN 1888 TO FURTHER THE INTERESTS OF MATHEMATICAL RESEARCH SCHOLARSHIP, AND EDUCATION, SERVES THE NATIONAL AND INTERNATIONAL MATHEMATICAL COMMUNITY THROUGH ITS PUBLICATIONS, MEETINGS, ADVOCACY AND OTHER PROGRAMS, WHICH: (A) PROMOTE MATHEMATICAL RESEARCH AND ITS USES; (B) ENCOURAGE AND PROMOTE THE TRANSMISSION OF MATHEMATICAL UNDERSTANDINGS AND SKILLS TO ENSURE THE CONTINUED VITALITY OF THE PROFESSION; (C) SUPPORT MATHEMATICAL EDUCATION AT ALL LEVELS; (D) ADVANCE THE STATUS OF THE PROFESSION OF MATHEMATICS, ENCOURAGING AND FACILITATING FULL PARTICIPATION OF ALL INDIVIDUALS, AND, (E) FOSTER AN AWARENESS AND APPRECIATION OF MATHEMATICS AND ITS CONNECTIONS TO OTHER DISCIPLINES AND EVERYDAY LIFE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 1 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 234931784 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 262453846 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 25442714 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 197289880 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 219250747 |
| IRS990/NoncashContributionsAmt | 0 | 198010 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 147 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 805313 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 805460 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 7019 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 196388 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 688111 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 891518 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 3904749 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 4872088 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 238815 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 47859 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 463335 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1992716 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 2503910 |
| IRS990/OtherExpensesGrp/Desc | 0 | PRINTING/PUBLICATIONS |
| IRS990/OtherExpensesGrp/Desc | 1 | UBI TAX |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 13917 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 17304 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 286 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1975310 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 2006531 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 286 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 6342569 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 6875458 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 371567 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 2050812 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 14317182 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 16739561 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 29379 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 153638 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 1135557 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 1318574 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 30698 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 180509 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 1238962 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 1450169 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 163691 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 89272 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 2017606 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 2621670 |
| IRS990/PrincipalOfficerNm | 0 | LUCY R MADDOCK |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 541900 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 541900 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | PUBLICATIONS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | MEETINGS |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 23142222 |
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