The National Academy of Sciences
Plan context: National Academy of Sciences Primary Retirement Plan
EIN 53-0196932 • 138 filings • 30 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,280
2024 Assets
$827,535,821
2024 Contributions
$29,622,823
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 4 | 1,280 | $827,535,821 | $29,622,823 | $23,143iApproximate average salary by contribution assumption: employee only about $578,571 at 4% or $385,714 at 6%; with 50% employer match about $385,714 at 4% or $257,143 at 6%; with 100% employer match about $289,285 at 4% or $192,857 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,202 | $398,240,238 | $15,709,138 | $13,069iApproximate average salary by contribution assumption: employee only about $326,729 at 4% or $217,819 at 6%; with 50% employer match about $217,819 at 4% or $145,213 at 6%; with 100% employer match about $163,365 at 4% or $108,910 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,280 | $359,920,428 | $13,409,908 | $10,476iApproximate average salary by contribution assumption: employee only about $261,912 at 4% or $174,608 at 6%; with 50% employer match about $174,608 at 4% or $116,405 at 6%; with 100% employer match about $130,956 at 4% or $87,304 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 38 | $69,375,155 | $503,777 | $13,257iApproximate average salary by contribution assumption: employee only about $331,432 at 4% or $220,955 at 6%; with 50% employer match about $220,955 at 4% or $147,303 at 6%; with 100% employer match about $165,716 at 4% or $110,477 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,165 | - | - | - |
| 2023 | 4 | 1,284 | $766,111,043 | $27,167,282 | $21,158iApproximate average salary by contribution assumption: employee only about $528,958 at 4% or $352,639 at 6%; with 50% employer match about $352,639 at 4% or $235,092 at 6%; with 100% employer match about $264,479 at 4% or $176,319 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,200 | $366,569,472 | $14,802,933 | $12,336iApproximate average salary by contribution assumption: employee only about $308,394 at 4% or $205,596 at 6%; with 50% employer match about $205,596 at 4% or $137,064 at 6%; with 100% employer match about $154,197 at 4% or $102,798 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,284 | $333,840,911 | $11,875,425 | $9,249iApproximate average salary by contribution assumption: employee only about $231,219 at 4% or $154,146 at 6%; with 50% employer match about $154,146 at 4% or $102,764 at 6%; with 100% employer match about $115,610 at 4% or $77,073 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 34 | $65,700,660 | $488,924 | $14,380iApproximate average salary by contribution assumption: employee only about $359,503 at 4% or $239,669 at 6%; with 50% employer match about $239,669 at 4% or $159,779 at 6%; with 100% employer match about $179,751 at 4% or $119,834 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,191 | - | - | - |
| 2022 | 4 | 1,119 | $681,378,033 | $31,031,238 | $27,731iApproximate average salary by contribution assumption: employee only about $693,281 at 4% or $462,187 at 6%; with 50% employer match about $462,187 at 4% or $308,125 at 6%; with 100% employer match about $346,640 at 4% or $231,094 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,056 | $326,300,008 | $13,572,556 | $12,853iApproximate average salary by contribution assumption: employee only about $321,320 at 4% or $214,213 at 6%; with 50% employer match about $214,213 at 4% or $142,809 at 6%; with 100% employer match about $160,660 at 4% or $107,107 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,119 | $296,057,994 | $13,119,208 | $11,724iApproximate average salary by contribution assumption: employee only about $293,101 at 4% or $195,401 at 6%; with 50% employer match about $195,401 at 4% or $130,267 at 6%; with 100% employer match about $146,551 at 4% or $97,700 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 31 | $59,020,031 | $4,339,474 | $139,983iApproximate average salary by contribution assumption: employee only about $3,499,576 at 4% or $2,333,051 at 6%; with 50% employer match about $2,333,051 at 4% or $1,555,367 at 6%; with 100% employer match about $1,749,788 at 4% or $1,166,525 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,117 | - | - | - |
| 2021 | 4 | 1,108 | $781,579,466 | $23,447,272 | $21,162iApproximate average salary by contribution assumption: employee only about $529,045 at 4% or $352,697 at 6%; with 50% employer match about $352,697 at 4% or $235,131 at 6%; with 100% employer match about $264,522 at 4% or $176,348 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 996 | $373,958,336 | $12,822,334 | $12,874iApproximate average salary by contribution assumption: employee only about $321,846 at 4% or $214,564 at 6%; with 50% employer match about $214,564 at 4% or $143,043 at 6%; with 100% employer match about $160,923 at 4% or $107,282 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,108 | $339,985,927 | $10,248,246 | $9,249iApproximate average salary by contribution assumption: employee only about $231,233 at 4% or $154,155 at 6%; with 50% employer match about $154,155 at 4% or $102,770 at 6%; with 100% employer match about $115,616 at 4% or $77,078 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 27 | $67,635,203 | $376,692 | $13,952iApproximate average salary by contribution assumption: employee only about $348,789 at 4% or $232,526 at 6%; with 50% employer match about $232,526 at 4% or $155,017 at 6%; with 100% employer match about $174,394 at 4% or $116,263 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,064 | - | - | - |
| 2020 | 4 | 1,085 | $700,483,988 | $27,254,926 | $25,120iApproximate average salary by contribution assumption: employee only about $627,994 at 4% or $418,662 at 6%; with 50% employer match about $418,662 at 4% or $279,108 at 6%; with 100% employer match about $313,997 at 4% or $209,331 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,003 | $334,732,952 | $12,484,074 | $12,447iApproximate average salary by contribution assumption: employee only about $311,168 at 4% or $207,446 at 6%; with 50% employer match about $207,446 at 4% or $138,297 at 6%; with 100% employer match about $155,584 at 4% or $103,723 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,085 | $303,301,962 | $13,777,456 | $12,698iApproximate average salary by contribution assumption: employee only about $317,453 at 4% or $211,635 at 6%; with 50% employer match about $211,635 at 4% or $141,090 at 6%; with 100% employer match about $158,726 at 4% or $105,818 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 25 | $62,449,074 | $993,396 | $39,736iApproximate average salary by contribution assumption: employee only about $993,396 at 4% or $662,264 at 6%; with 50% employer match about $662,264 at 4% or $441,509 at 6%; with 100% employer match about $496,698 at 4% or $331,132 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,042 | - | - | - |
| 2019 | 4 | 1,074 | $618,107,153 | $27,500,942 | $25,606iApproximate average salary by contribution assumption: employee only about $640,152 at 4% or $426,768 at 6%; with 50% employer match about $426,768 at 4% or $284,512 at 6%; with 100% employer match about $320,076 at 4% or $213,384 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,002 | $298,520,875 | $12,351,924 | $12,327iApproximate average salary by contribution assumption: employee only about $308,182 at 4% or $205,454 at 6%; with 50% employer match about $205,454 at 4% or $136,970 at 6%; with 100% employer match about $154,091 at 4% or $102,727 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,074 | $266,969,825 | $13,937,604 | $12,977iApproximate average salary by contribution assumption: employee only about $324,432 at 4% or $216,288 at 6%; with 50% employer match about $216,288 at 4% or $144,192 at 6%; with 100% employer match about $162,216 at 4% or $108,144 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 32 | $52,616,453 | $1,211,414 | $37,857iApproximate average salary by contribution assumption: employee only about $946,417 at 4% or $630,945 at 6%; with 50% employer match about $630,945 at 4% or $420,630 at 6%; with 100% employer match about $473,209 at 4% or $315,472 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,028 | - | - | - |
| 2018 | 4 | 1,062 | $526,344,728 | $24,037,015 | $22,634iApproximate average salary by contribution assumption: employee only about $565,843 at 4% or $377,229 at 6%; with 50% employer match about $377,229 at 4% or $251,486 at 6%; with 100% employer match about $282,922 at 4% or $188,614 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 999 | $255,197,132 | $11,963,349 | $11,975iApproximate average salary by contribution assumption: employee only about $299,383 at 4% or $199,589 at 6%; with 50% employer match about $199,589 at 4% or $133,059 at 6%; with 100% employer match about $149,692 at 4% or $99,794 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,062 | $226,595,685 | $9,711,387 | $9,144iApproximate average salary by contribution assumption: employee only about $228,611 at 4% or $152,407 at 6%; with 50% employer match about $152,407 at 4% or $101,605 at 6%; with 100% employer match about $114,305 at 4% or $76,204 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 34 | $44,551,911 | $2,362,279 | $69,479iApproximate average salary by contribution assumption: employee only about $1,736,970 at 4% or $1,157,980 at 6%; with 50% employer match about $1,157,980 at 4% or $771,987 at 6%; with 100% employer match about $868,485 at 4% or $578,990 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,014 | - | - | - |
| 2017 | 4 | 1,081 | $559,729,798 | $27,508,120 | $25,447iApproximate average salary by contribution assumption: employee only about $636,173 at 4% or $424,115 at 6%; with 50% employer match about $424,115 at 4% or $282,744 at 6%; with 100% employer match about $318,086 at 4% or $212,058 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 998 | $272,606,115 | $11,923,777 | $11,948iApproximate average salary by contribution assumption: employee only about $298,692 at 4% or $199,128 at 6%; with 50% employer match about $199,128 at 4% or $132,752 at 6%; with 100% employer match about $149,346 at 4% or $99,564 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,081 | $242,204,990 | $12,376,675 | $11,449iApproximate average salary by contribution assumption: employee only about $286,232 at 4% or $190,821 at 6%; with 50% employer match about $190,821 at 4% or $127,214 at 6%; with 100% employer match about $143,116 at 4% or $95,411 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 32 | $44,918,693 | $3,207,668 | $100,240iApproximate average salary by contribution assumption: employee only about $2,505,991 at 4% or $1,670,660 at 6%; with 50% employer match about $1,670,660 at 4% or $1,113,774 at 6%; with 100% employer match about $1,252,995 at 4% or $835,330 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,032 | - | - | - |
| 2016 | 4 | 1,091 | $495,952,586 | $34,697,686 | $31,804iApproximate average salary by contribution assumption: employee only about $795,089 at 4% or $530,059 at 6%; with 50% employer match about $530,059 at 4% or $353,373 at 6%; with 100% employer match about $397,545 at 4% or $265,030 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,008 | $245,180,723 | $12,189,414 | $12,093iApproximate average salary by contribution assumption: employee only about $302,317 at 4% or $201,545 at 6%; with 50% employer match about $201,545 at 4% or $134,363 at 6%; with 100% employer match about $151,158 at 4% or $100,772 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,091 | $213,300,509 | $13,358,744 | $12,244iApproximate average salary by contribution assumption: employee only about $306,112 at 4% or $204,075 at 6%; with 50% employer match about $204,075 at 4% or $136,050 at 6%; with 100% employer match about $153,056 at 4% or $102,037 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 35 | $37,471,354 | $9,149,528 | $261,415iApproximate average salary by contribution assumption: employee only about $6,535,377 at 4% or $4,356,918 at 6%; with 50% employer match about $4,356,918 at 4% or $2,904,612 at 6%; with 100% employer match about $3,267,689 at 4% or $2,178,459 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,038 | - | - | - |
| 2015 | 4 | 1,102 | $464,602,282 | $24,326,855 | $22,075iApproximate average salary by contribution assumption: employee only about $551,880 at 4% or $367,920 at 6%; with 50% employer match about $367,920 at 4% or $245,280 at 6%; with 100% employer match about $275,940 at 4% or $183,960 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,010 | $236,777,675 | $11,395,483 | $11,283iApproximate average salary by contribution assumption: employee only about $282,066 at 4% or $188,044 at 6%; with 50% employer match about $188,044 at 4% or $125,363 at 6%; with 100% employer match about $141,033 at 4% or $94,022 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,102 | $198,655,429 | $11,560,875 | $10,491iApproximate average salary by contribution assumption: employee only about $262,270 at 4% or $174,847 at 6%; with 50% employer match about $174,847 at 4% or $116,565 at 6%; with 100% employer match about $131,135 at 4% or $87,423 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 33 | $29,169,178 | $1,370,497 | $41,530iApproximate average salary by contribution assumption: employee only about $1,038,255 at 4% or $692,170 at 6%; with 50% employer match about $692,170 at 4% or $461,447 at 6%; with 100% employer match about $519,128 at 4% or $346,085 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,041 | - | - | - |
| 2014 | 4 | 1,096 | $465,345,060 | $19,988,871 | $18,238iApproximate average salary by contribution assumption: employee only about $455,951 at 4% or $303,967 at 6%; with 50% employer match about $303,967 at 4% or $202,645 at 6%; with 100% employer match about $227,975 at 4% or $151,984 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,004 | $237,935,526 | $11,391,077 | $11,346iApproximate average salary by contribution assumption: employee only about $283,642 at 4% or $189,095 at 6%; with 50% employer match about $189,095 at 4% or $126,063 at 6%; with 100% employer match about $141,821 at 4% or $94,547 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,096 | $198,450,418 | $8,160,101 | $7,445iApproximate average salary by contribution assumption: employee only about $186,134 at 4% or $124,089 at 6%; with 50% employer match about $124,089 at 4% or $82,726 at 6%; with 100% employer match about $93,067 at 4% or $62,045 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,054 | $28,959,116 | $437,693 | $415iApproximate average salary by contribution assumption: employee only about $10,382 at 4% or $6,921 at 6%; with 50% employer match about $6,921 at 4% or $4,614 at 6%; with 100% employer match about $5,191 at 4% or $3,461 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,054 | - | - | - |
| 2013 | 4 | 1,081 | $444,925,118 | $24,934,764 | $23,066iApproximate average salary by contribution assumption: employee only about $576,660 at 4% or $384,440 at 6%; with 50% employer match about $384,440 at 4% or $256,293 at 6%; with 100% employer match about $288,330 at 4% or $192,220 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,026 | $226,147,878 | $11,857,577 | $11,557iApproximate average salary by contribution assumption: employee only about $288,927 at 4% or $192,618 at 6%; with 50% employer match about $192,618 at 4% or $128,412 at 6%; with 100% employer match about $144,464 at 4% or $96,309 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,081 | $189,675,488 | $11,462,116 | $10,603iApproximate average salary by contribution assumption: employee only about $265,081 at 4% or $176,721 at 6%; with 50% employer match about $176,721 at 4% or $117,814 at 6%; with 100% employer match about $132,541 at 4% or $88,360 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,036 | $29,101,752 | $1,615,071 | $1,559iApproximate average salary by contribution assumption: employee only about $38,974 at 4% or $25,982 at 6%; with 50% employer match about $25,982 at 4% or $17,322 at 6%; with 100% employer match about $19,487 at 4% or $12,991 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,036 | - | - | - |
| 2012 | 4 | 1,172 | $388,161,124 | $22,929,971 | $19,565iApproximate average salary by contribution assumption: employee only about $489,121 at 4% or $326,080 at 6%; with 50% employer match about $326,080 at 4% or $217,387 at 6%; with 100% employer match about $244,560 at 4% or $163,040 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,123 | $200,288,455 | $12,317,629 | $10,969iApproximate average salary by contribution assumption: employee only about $274,213 at 4% or $182,808 at 6%; with 50% employer match about $182,808 at 4% or $121,872 at 6%; with 100% employer match about $137,106 at 4% or $91,404 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,172 | $164,188,717 | $9,000,559 | $7,680iApproximate average salary by contribution assumption: employee only about $191,991 at 4% or $127,994 at 6%; with 50% employer match about $127,994 at 4% or $85,330 at 6%; with 100% employer match about $95,996 at 4% or $63,997 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,122 | $23,683,952 | $1,611,783 | $1,437iApproximate average salary by contribution assumption: employee only about $35,913 at 4% or $23,942 at 6%; with 50% employer match about $23,942 at 4% or $15,961 at 6%; with 100% employer match about $17,957 at 4% or $11,971 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,122 | - | - | - |
| 2011 | 4 | 1,252 | $351,648,487 | $22,687,360 | $18,121iApproximate average salary by contribution assumption: employee only about $453,022 at 4% or $302,015 at 6%; with 50% employer match about $302,015 at 4% or $201,343 at 6%; with 100% employer match about $226,511 at 4% or $151,007 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,186 | $180,625,168 | $12,206,716 | $10,292iApproximate average salary by contribution assumption: employee only about $257,309 at 4% or $171,539 at 6%; with 50% employer match about $171,539 at 4% or $114,359 at 6%; with 100% employer match about $128,654 at 4% or $85,770 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,252 | $150,507,260 | $9,382,922 | $7,494iApproximate average salary by contribution assumption: employee only about $187,359 at 4% or $124,906 at 6%; with 50% employer match about $124,906 at 4% or $83,271 at 6%; with 100% employer match about $93,679 at 4% or $62,453 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,192 | $20,516,059 | $1,097,722 | $921iApproximate average salary by contribution assumption: employee only about $23,023 at 4% or $15,348 at 6%; with 50% employer match about $15,348 at 4% or $10,232 at 6%; with 100% employer match about $11,511 at 4% or $7,674 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,192 | - | - | - |
| 2010 | 4 | 1,403 | $347,364,974 | $20,134,273 | $14,351iApproximate average salary by contribution assumption: employee only about $358,772 at 4% or $239,181 at 6%; with 50% employer match about $239,181 at 4% or $159,454 at 6%; with 100% employer match about $179,386 at 4% or $119,591 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,403 | $177,811,171 | $11,840,962 | $8,440iApproximate average salary by contribution assumption: employee only about $210,994 at 4% or $140,662 at 6%; with 50% employer match about $140,662 at 4% or $93,775 at 6%; with 100% employer match about $105,497 at 4% or $70,331 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,252 | $149,357,130 | $7,187,026 | $5,740iApproximate average salary by contribution assumption: employee only about $143,511 at 4% or $95,674 at 6%; with 50% employer match about $95,674 at 4% or $63,783 at 6%; with 100% employer match about $71,755 at 4% or $47,837 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,196 | $20,196,673 | $1,106,285 | $925iApproximate average salary by contribution assumption: employee only about $23,125 at 4% or $15,416 at 6%; with 50% employer match about $15,416 at 4% or $10,278 at 6%; with 100% employer match about $11,562 at 4% or $7,708 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,193 | - | - | - |
| 2009 | 4 | 2,699 | $314,885,664 | $20,736,784 | $7,683iApproximate average salary by contribution assumption: employee only about $192,078 at 4% or $128,052 at 6%; with 50% employer match about $128,052 at 4% or $85,368 at 6%; with 100% employer match about $96,039 at 4% or $64,026 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 2,699 | $159,806,699 | $11,147,657 | $4,130iApproximate average salary by contribution assumption: employee only about $103,257 at 4% or $68,838 at 6%; with 50% employer match about $68,838 at 4% or $45,892 at 6%; with 100% employer match about $51,629 at 4% or $34,419 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 1,224 | $136,648,763 | $6,387,663 | $5,219iApproximate average salary by contribution assumption: employee only about $130,467 at 4% or $86,978 at 6%; with 50% employer match about $86,978 at 4% or $57,985 at 6%; with 100% employer match about $65,233 at 4% or $43,489 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,178 | $18,430,202 | $3,201,464 | $2,718iApproximate average salary by contribution assumption: employee only about $67,943 at 4% or $45,295 at 6%; with 50% employer match about $45,295 at 4% or $30,197 at 6%; with 100% employer match about $33,971 at 4% or $22,648 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,171 | - | - | - |
| 2008 | 4 | 1,126 | $97,081,367 | $12,877,716 | $11,437iApproximate average salary by contribution assumption: employee only about $285,917 at 4% or $190,612 at 6%; with 50% employer match about $190,612 at 4% or $127,074 at 6%; with 100% employer match about $142,959 at 4% or $95,306 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,015 | $84,892,358 | $10,132,471 | $9,983iApproximate average salary by contribution assumption: employee only about $249,568 at 4% or $166,379 at 6%; with 50% employer match about $166,379 at 4% or $110,919 at 6%; with 100% employer match about $124,784 at 4% or $83,189 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,125 | $12,189,009 | $2,745,245 | $2,440iApproximate average salary by contribution assumption: employee only about $61,005 at 4% or $40,670 at 6%; with 50% employer match about $40,670 at 4% or $27,114 at 6%; with 100% employer match about $30,503 at 4% or $20,335 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,126 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| 2007 | 4 | 1,087 | $129,701,132 | $12,334,433 | $11,347iApproximate average salary by contribution assumption: employee only about $283,681 at 4% or $189,120 at 6%; with 50% employer match about $189,120 at 4% or $126,080 at 6%; with 100% employer match about $141,840 at 4% or $94,560 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,062 | $115,024,733 | $9,652,388 | $9,089iApproximate average salary by contribution assumption: employee only about $227,222 at 4% or $151,481 at 6%; with 50% employer match about $151,481 at 4% or $100,988 at 6%; with 100% employer match about $113,611 at 4% or $75,741 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,087 | $14,676,399 | $2,682,045 | $2,467iApproximate average salary by contribution assumption: employee only about $61,685 at 4% or $41,123 at 6%; with 50% employer match about $41,123 at 4% or $27,415 at 6%; with 100% employer match about $30,842 at 4% or $20,562 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,082 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| 2006 | 4 | 1,122 | $114,660,173 | $10,719,913 | $9,554iApproximate average salary by contribution assumption: employee only about $238,857 at 4% or $159,238 at 6%; with 50% employer match about $159,238 at 4% or $106,159 at 6%; with 100% employer match about $119,429 at 4% or $79,619 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 997 | $102,739,768 | $9,365,774 | $9,394iApproximate average salary by contribution assumption: employee only about $234,849 at 4% or $156,566 at 6%; with 50% employer match about $156,566 at 4% or $104,377 at 6%; with 100% employer match about $117,424 at 4% or $78,283 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,071 | $11,920,405 | $1,354,139 | $1,264iApproximate average salary by contribution assumption: employee only about $31,609 at 4% or $21,073 at 6%; with 50% employer match about $21,073 at 4% or $14,049 at 6%; with 100% employer match about $15,805 at 4% or $10,536 at 6%. |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| National Academy of Sciences Dental Plan | - | 1,122 | - | - | - |
| 2005 | 4 | 1,145 | $96,670,955 | $14,863,397 | $12,981iApproximate average salary by contribution assumption: employee only about $324,528 at 4% or $216,352 at 6%; with 50% employer match about $216,352 at 4% or $144,235 at 6%; with 100% employer match about $162,264 at 4% or $108,176 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,042 | $86,918,301 | $10,110,927 | $9,703iApproximate average salary by contribution assumption: employee only about $242,585 at 4% or $161,723 at 6%; with 50% employer match about $161,723 at 4% or $107,815 at 6%; with 100% employer match about $121,292 at 4% or $80,862 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,104 | $9,752,654 | $4,752,470 | $4,305iApproximate average salary by contribution assumption: employee only about $107,619 at 4% or $71,746 at 6%; with 50% employer match about $71,746 at 4% or $47,831 at 6%; with 100% employer match about $53,810 at 4% or $35,873 at 6%. |
| National Academy of Sciences Dental Plan | - | 1,145 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| 2004 | 9 | 1,139 | $81,931,720 | $13,472,945 | $11,829iApproximate average salary by contribution assumption: employee only about $295,719 at 4% or $197,146 at 6%; with 50% employer match about $197,146 at 4% or $131,431 at 6%; with 100% employer match about $147,859 at 4% or $98,573 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,021 | $76,496,461 | $9,077,699 | $8,891iApproximate average salary by contribution assumption: employee only about $222,275 at 4% or $148,183 at 6%; with 50% employer match about $148,183 at 4% or $98,789 at 6%; with 100% employer match about $111,137 at 4% or $74,092 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 1,139 | $5,435,259 | $1,095,717 | $962iApproximate average salary by contribution assumption: employee only about $24,050 at 4% or $16,033 at 6%; with 50% employer match about $16,033 at 4% or $10,689 at 6%; with 100% employer match about $12,025 at 4% or $8,017 at 6%. |
| National Academy of Sciences Total Disability Insurance Plan | - | 0 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| National Academy of Sciences Health Maintenance Organization Hmo Medical Insurance Plan | - | 0 | - | - | - |
| National Academy of Sciences Involu Ntary Separation Benefit Plan | - | 0 | - | - | - |
| National Academy of Sciences Group Life Insurance Plan | - | 0 | - | - | - |
| National Academy of Science Group Travel Accident Insurance Plan | - | 0 | - | - | - |
| National Academy of Sciences Comprehensive Health Insurance Plan | - | 0 | - | $3,299,529 | - |
| 2003 | 7 | 1,149 | $72,690,645 | $14,146,323 | $12,312iApproximate average salary by contribution assumption: employee only about $307,796 at 4% or $205,198 at 6%; with 50% employer match about $205,198 at 4% or $136,798 at 6%; with 100% employer match about $153,898 at 4% or $102,599 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,134 | $65,183,614 | $8,780,606 | $7,743iApproximate average salary by contribution assumption: employee only about $193,576 at 4% or $129,051 at 6%; with 50% employer match about $129,051 at 4% or $86,034 at 6%; with 100% employer match about $96,788 at 4% or $64,525 at 6%. |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 0 | $5,117,579 | $906,468 | - |
| National Academy of Sciences Comprehensive Health Insurance Plan | - | 685 | $2,389,452 | $4,459,249 | $6,510iApproximate average salary by contribution assumption: employee only about $162,746 at 4% or $108,498 at 6%; with 50% employer match about $108,498 at 4% or $72,332 at 6%; with 100% employer match about $81,373 at 4% or $54,249 at 6%. |
| National Academy of Sciences Group Life Insurance Plan | - | 1,149 | - | - | - |
| NATIONAL ACADEMY OF SCIENCES RETIREMENT PENSION TRUST AGREEMENT | - | 0 | - | - | - |
| National Academy of Sciences Total Disability Insurance Plan | - | 934 | - | - | - |
| National Academy of Sciences Health Maintenance Organization Hmo Medical Insurance Plan | - | 268 | - | - | - |
| 2002 | 11 | 10,000 | $51,350,874 | $12,489,981 | $1,249iApproximate average salary by contribution assumption: employee only about $31,225 at 4% or $20,817 at 6%; with 50% employer match about $20,817 at 4% or $13,878 at 6%; with 100% employer match about $15,612 at 4% or $10,408 at 6%. |
| National Academy of Sciences Primary Retirement Plan | - | 1,148 | $48,821,874 | $8,270,274 | $7,204iApproximate average salary by contribution assumption: employee only about $180,102 at 4% or $120,068 at 6%; with 50% employer match about $120,068 at 4% or $80,045 at 6%; with 100% employer match about $90,051 at 4% or $60,034 at 6%. |
| National Academy of Sciences Comprehensive Health Insurance Plan | - | 726 | $2,529,000 | $4,219,707 | $5,812iApproximate average salary by contribution assumption: employee only about $145,307 at 4% or $96,871 at 6%; with 50% employer match about $96,871 at 4% or $64,581 at 6%; with 100% employer match about $72,653 at 4% or $48,436 at 6%. |
| National Academy of Sciences Involu Ntary Separation Benefit Plan | - | 1,237 | - | - | - |
| National Academy of Science Group Travel Accident Insurance Plan | - | 10,000 | - | - | - |
| National Academy of Sciences Dental Plan | - | 0 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| National Academy of Sciences Group Life Insurance Plan | - | 1,246 | - | - | - |
| National Academy of Sciences Health Maintenance Organization Hmo Medical Insurance Plan | - | 285 | - | - | - |
| National Academy of Sciences Total Disability Insurance Plan | - | 917 | - | - | - |
| NATIONAL ACADEMY OF SCIENCES RETIREMENT PENSION TR UST AGREEMENT | - | 59 | - | - | - |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 350 | - | - | - |
| 2001 | 11 | 10,000 | $2,167,749 | $0 | - |
| National Academy of Sciences Comprehensive Health Insurance Plan | - | 655 | $2,167,749 | - | - |
| National Academy of Sciences Health Maintenance Organization Hmo Medical Insurance Plan | - | 332 | - | - | - |
| National Academy of Sciences Group Life Insurance Plan | - | 1,217 | - | - | - |
| National Academy of Sciences Dental Plan | - | 393 | - | - | - |
| National Academy of Sciences Total Disability Insurance Plan | - | 826 | - | - | - |
| National Academy of Sciences Salary Reduction Contribution Retirement Plan | - | 0 | - | - | - |
| National Academy of Sciences Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| National Academy of Sciences Primary Retirement Plan | - | 1,078 | - | - | - |
| National Academy of Sciences Involu Ntary Separation Benefit Plan | - | 1,223 | - | - | - |
| National Academy of Science Group Travel Accident Insurance Plan | - | 10,000 | - | - | - |
| NATIONAL ACADEMY OF SCIENCES RETIREMENT PENSION TRUST AGREEMENT | - | 0 | - | - | - |
| 2000 | 10 | 10,000 | $55,096,072 | $6,169,633 | $617iApproximate average salary by contribution assumption: employee only about $15,424 at 4% or $10,283 at 6%; with 50% employer match about $10,283 at 4% or $6,855 at 6%; with 100% employer match about $7,712 at 4% or $5,141 at 6%. |
| National Academy of Sciences Total Disability Insurance Plan | - | 766 | - | - | - |
| National Academy of Sciences Health Maintenance Organization Hmo Medical Insurance Plan | - | 27 | - | - | - |
| 1999 | 10 | 10,000 | $60,959,428 | $6,575,823 | $658iApproximate average salary by contribution assumption: employee only about $16,440 at 4% or $10,960 at 6%; with 50% employer match about $10,960 at 4% or $7,306 at 6%; with 100% employer match about $8,220 at 4% or $5,480 at 6%. |