Civic Intelligence

Institute for Defense Analyses

Plan context: Institute for Defense Analyses Tax Deferred Annuity Plan

EIN 53-0233247 • Alexandria, VA • 70 filings • 10 plans

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4850 Mark Center DriveAlexandria, VA 22311
Current Snapshot

Latest Year

2024

2024 Participants

1,580

2024 Assets

$1,502,714,534

2024 Contributions

$50,006,081

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$1,502,714,534$751,357,267$0200020132024YearValue
$1,502,714,534Latest year 2024

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

2,0991,0500199920132024YearValue
1,580Latest year 2024

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 / FilingFilingsParticipantsAssetsContributionsContrib./Participant
202431,580$1,502,714,534$50,006,081$31,649iApproximate average salary by contribution assumption: employee only about $791,235 at 4% or $527,490 at 6%; with 50% employer match about $527,490 at 4% or $351,660 at 6%; with 100% employer match about $395,618 at 4% or $263,745 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,546$875,147,544$30,484,267$19,718iApproximate average salary by contribution assumption: employee only about $492,954 at 4% or $328,636 at 6%; with 50% employer match about $328,636 at 4% or $219,091 at 6%; with 100% employer match about $246,477 at 4% or $164,318 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,255$627,566,990$19,521,814$15,555iApproximate average salary by contribution assumption: employee only about $388,881 at 4% or $259,254 at 6%; with 50% employer match about $259,254 at 4% or $172,836 at 6%; with 100% employer match about $194,440 at 4% or $129,627 at 6%.
Ida Group Benefits Plan-1,580---
202331,580$1,368,343,562$45,417,516$28,745iApproximate average salary by contribution assumption: employee only about $718,632 at 4% or $479,088 at 6%; with 50% employer match about $479,088 at 4% or $319,392 at 6%; with 100% employer match about $359,316 at 4% or $239,544 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,541$801,043,955$26,679,165$17,313iApproximate average salary by contribution assumption: employee only about $432,822 at 4% or $288,548 at 6%; with 50% employer match about $288,548 at 4% or $192,365 at 6%; with 100% employer match about $216,411 at 4% or $144,274 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,254$567,299,607$18,738,351$14,943iApproximate average salary by contribution assumption: employee only about $373,572 at 4% or $249,048 at 6%; with 50% employer match about $249,048 at 4% or $166,032 at 6%; with 100% employer match about $186,786 at 4% or $124,524 at 6%.
Ida Group Benefits Plan-1,580---
202231,453$1,215,279,091$46,421,665$31,949iApproximate average salary by contribution assumption: employee only about $798,721 at 4% or $532,481 at 6%; with 50% employer match about $532,481 at 4% or $354,987 at 6%; with 100% employer match about $399,361 at 4% or $266,240 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,453$719,336,771$30,016,613$20,658iApproximate average salary by contribution assumption: employee only about $516,459 at 4% or $344,306 at 6%; with 50% employer match about $344,306 at 4% or $229,537 at 6%; with 100% employer match about $258,230 at 4% or $172,153 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,191$495,942,320$16,405,052$13,774iApproximate average salary by contribution assumption: employee only about $344,355 at 4% or $229,570 at 6%; with 50% employer match about $229,570 at 4% or $153,046 at 6%; with 100% employer match about $172,177 at 4% or $114,785 at 6%.
Ida Group Benefits Plan-1,416---
202131,529$1,434,959,179$37,090,538$24,258iApproximate average salary by contribution assumption: employee only about $606,451 at 4% or $404,301 at 6%; with 50% employer match about $404,301 at 4% or $269,534 at 6%; with 100% employer match about $303,225 at 4% or $202,150 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,346$850,640,455$21,561,768$16,019iApproximate average salary by contribution assumption: employee only about $400,479 at 4% or $266,986 at 6%; with 50% employer match about $266,986 at 4% or $177,990 at 6%; with 100% employer match about $200,239 at 4% or $133,493 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,178$584,318,724$15,528,770$13,182iApproximate average salary by contribution assumption: employee only about $329,558 at 4% or $219,705 at 6%; with 50% employer match about $219,705 at 4% or $146,470 at 6%; with 100% employer match about $164,779 at 4% or $109,853 at 6%.
Ida Group Benefits Plan-1,529---
202031,551$1,293,584,847$37,924,175$24,451iApproximate average salary by contribution assumption: employee only about $611,286 at 4% or $407,524 at 6%; with 50% employer match about $407,524 at 4% or $271,683 at 6%; with 100% employer match about $305,643 at 4% or $203,762 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,361$771,767,061$22,776,291$16,735iApproximate average salary by contribution assumption: employee only about $418,374 at 4% or $278,916 at 6%; with 50% employer match about $278,916 at 4% or $185,944 at 6%; with 100% employer match about $209,187 at 4% or $139,458 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,199$521,817,786$15,147,884$12,634iApproximate average salary by contribution assumption: employee only about $315,844 at 4% or $210,563 at 6%; with 50% employer match about $210,563 at 4% or $140,375 at 6%; with 100% employer match about $157,922 at 4% or $105,281 at 6%.
Ida Group Benefits Plan-1,551---
201931,560$1,145,518,497$36,806,596$23,594iApproximate average salary by contribution assumption: employee only about $589,849 at 4% or $393,233 at 6%; with 50% employer match about $393,233 at 4% or $262,155 at 6%; with 100% employer match about $294,925 at 4% or $196,616 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,335$682,630,277$22,257,220$16,672iApproximate average salary by contribution assumption: employee only about $416,802 at 4% or $277,868 at 6%; with 50% employer match about $277,868 at 4% or $185,245 at 6%; with 100% employer match about $208,401 at 4% or $138,934 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,178$462,888,220$14,549,376$12,351iApproximate average salary by contribution assumption: employee only about $308,773 at 4% or $205,849 at 6%; with 50% employer match about $205,849 at 4% or $137,232 at 6%; with 100% employer match about $154,386 at 4% or $102,924 at 6%.
Ida Group Benefits Plan-1,560---
201831,559$976,057,170$36,734,280$23,563iApproximate average salary by contribution assumption: employee only about $589,068 at 4% or $392,712 at 6%; with 50% employer match about $392,712 at 4% or $261,808 at 6%; with 100% employer match about $294,534 at 4% or $196,356 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,367$582,962,844$22,731,179$16,629iApproximate average salary by contribution assumption: employee only about $415,713 at 4% or $277,142 at 6%; with 50% employer match about $277,142 at 4% or $184,761 at 6%; with 100% employer match about $207,856 at 4% or $138,571 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,162$393,094,326$14,003,101$12,051iApproximate average salary by contribution assumption: employee only about $301,272 at 4% or $200,848 at 6%; with 50% employer match about $200,848 at 4% or $133,898 at 6%; with 100% employer match about $150,636 at 4% or $100,424 at 6%.
Ida Group Benefits Plan-1,559---
201731,547$1,026,635,889$42,558,538$27,510iApproximate average salary by contribution assumption: employee only about $687,759 at 4% or $458,506 at 6%; with 50% employer match about $458,506 at 4% or $305,671 at 6%; with 100% employer match about $343,880 at 4% or $229,253 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,337$617,969,085$29,205,965$21,844iApproximate average salary by contribution assumption: employee only about $546,110 at 4% or $364,073 at 6%; with 50% employer match about $364,073 at 4% or $242,716 at 6%; with 100% employer match about $273,055 at 4% or $182,037 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,146$408,666,804$13,352,573$11,651iApproximate average salary by contribution assumption: employee only about $291,286 at 4% or $194,191 at 6%; with 50% employer match about $194,191 at 4% or $129,461 at 6%; with 100% employer match about $145,643 at 4% or $97,095 at 6%.
Ida Group Benefits Plan-1,547---
201631,512$891,015,822$37,478,543$24,787iApproximate average salary by contribution assumption: employee only about $619,685 at 4% or $413,123 at 6%; with 50% employer match about $413,123 at 4% or $275,416 at 6%; with 100% employer match about $309,842 at 4% or $206,562 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,317$536,847,445$24,711,761$18,764iApproximate average salary by contribution assumption: employee only about $469,092 at 4% or $312,728 at 6%; with 50% employer match about $312,728 at 4% or $208,485 at 6%; with 100% employer match about $234,546 at 4% or $156,364 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,158$354,168,377$12,766,782$11,025iApproximate average salary by contribution assumption: employee only about $275,621 at 4% or $183,748 at 6%; with 50% employer match about $183,748 at 4% or $122,498 at 6%; with 100% employer match about $137,811 at 4% or $91,874 at 6%.
Ida Group Benefits Plan-1,512---
201531,489$835,093,429$34,644,472$23,267iApproximate average salary by contribution assumption: employee only about $581,673 at 4% or $387,782 at 6%; with 50% employer match about $387,782 at 4% or $258,522 at 6%; with 100% employer match about $290,837 at 4% or $193,891 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,306$502,728,012$22,050,582$16,884iApproximate average salary by contribution assumption: employee only about $422,101 at 4% or $281,401 at 6%; with 50% employer match about $281,401 at 4% or $187,601 at 6%; with 100% employer match about $211,051 at 4% or $140,700 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,109$332,365,417$12,593,890$11,356iApproximate average salary by contribution assumption: employee only about $283,902 at 4% or $189,268 at 6%; with 50% employer match about $189,268 at 4% or $126,179 at 6%; with 100% employer match about $141,951 at 4% or $94,634 at 6%.
Ida Group Benefits Plan-1,489---
201431,512$826,648,940$32,598,486$21,560iApproximate average salary by contribution assumption: employee only about $538,996 at 4% or $359,331 at 6%; with 50% employer match about $359,331 at 4% or $239,554 at 6%; with 100% employer match about $269,498 at 4% or $179,665 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,330$498,926,674$19,950,356$15,000iApproximate average salary by contribution assumption: employee only about $375,007 at 4% or $250,004 at 6%; with 50% employer match about $250,004 at 4% or $166,670 at 6%; with 100% employer match about $187,503 at 4% or $125,002 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,123$327,722,266$12,648,130$11,263iApproximate average salary by contribution assumption: employee only about $281,570 at 4% or $187,713 at 6%; with 50% employer match about $187,713 at 4% or $125,142 at 6%; with 100% employer match about $140,785 at 4% or $93,857 at 6%.
Ida Group Benefits Plan-1,512---
201331,465$785,271,113$39,791,647$27,162iApproximate average salary by contribution assumption: employee only about $679,038 at 4% or $452,692 at 6%; with 50% employer match about $452,692 at 4% or $301,795 at 6%; with 100% employer match about $339,519 at 4% or $226,346 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,465$478,761,688$26,044,294$17,778iApproximate average salary by contribution assumption: employee only about $444,442 at 4% or $296,295 at 6%; with 50% employer match about $296,295 at 4% or $197,530 at 6%; with 100% employer match about $222,221 at 4% or $148,147 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,265$306,509,425$13,747,353$10,867iApproximate average salary by contribution assumption: employee only about $271,687 at 4% or $181,125 at 6%; with 50% employer match about $181,125 at 4% or $120,750 at 6%; with 100% employer match about $135,843 at 4% or $90,562 at 6%.
Ida Group Benefits Plan-984---
201231,543$666,427,364$33,030,984$21,407iApproximate average salary by contribution assumption: employee only about $535,175 at 4% or $356,783 at 6%; with 50% employer match about $356,783 at 4% or $237,855 at 6%; with 100% employer match about $267,587 at 4% or $178,392 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,543$404,786,889$20,209,709$13,098iApproximate average salary by contribution assumption: employee only about $327,442 at 4% or $218,295 at 6%; with 50% employer match about $218,295 at 4% or $145,530 at 6%; with 100% employer match about $163,721 at 4% or $109,147 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,308$261,640,475$12,821,275$9,802iApproximate average salary by contribution assumption: employee only about $245,055 at 4% or $163,370 at 6%; with 50% employer match about $163,370 at 4% or $108,913 at 6%; with 100% employer match about $122,527 at 4% or $81,685 at 6%.
Ida Group Benefits Plan-1,010---
201132,099$596,606,508$30,827,600$14,687iApproximate average salary by contribution assumption: employee only about $367,170 at 4% or $244,780 at 6%; with 50% employer match about $244,780 at 4% or $163,187 at 6%; with 100% employer match about $183,585 at 4% or $122,390 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-2,099$365,755,558$18,784,367$8,949iApproximate average salary by contribution assumption: employee only about $223,730 at 4% or $149,153 at 6%; with 50% employer match about $149,153 at 4% or $99,436 at 6%; with 100% employer match about $111,865 at 4% or $74,577 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,536$230,850,950$12,043,233$7,841iApproximate average salary by contribution assumption: employee only about $196,016 at 4% or $130,677 at 6%; with 50% employer match about $130,677 at 4% or $87,118 at 6%; with 100% employer match about $98,008 at 4% or $65,339 at 6%.
Ida Group Benefits Plan-995---
201031,580$592,380,861$29,835,165$18,883iApproximate average salary by contribution assumption: employee only about $472,075 at 4% or $314,717 at 6%; with 50% employer match about $314,717 at 4% or $209,811 at 6%; with 100% employer match about $236,038 at 4% or $157,358 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,580$367,918,867$17,848,671$11,297iApproximate average salary by contribution assumption: employee only about $282,416 at 4% or $188,277 at 6%; with 50% employer match about $188,277 at 4% or $125,518 at 6%; with 100% employer match about $141,208 at 4% or $94,139 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-1,054$224,461,994$11,986,494$11,372iApproximate average salary by contribution assumption: employee only about $284,310 at 4% or $189,540 at 6%; with 50% employer match about $189,540 at 4% or $126,360 at 6%; with 100% employer match about $142,155 at 4% or $94,770 at 6%.
Ida Group Benefits Plan-995---
200931,607$535,901,564$29,756,743$18,517iApproximate average salary by contribution assumption: employee only about $462,924 at 4% or $308,616 at 6%; with 50% employer match about $308,616 at 4% or $205,744 at 6%; with 100% employer match about $231,462 at 4% or $154,308 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,607$334,789,661$18,402,982$11,452iApproximate average salary by contribution assumption: employee only about $286,294 at 4% or $190,863 at 6%; with 50% employer match about $190,863 at 4% or $127,242 at 6%; with 100% employer match about $143,147 at 4% or $95,431 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-961$201,111,903$11,353,761$11,815iApproximate average salary by contribution assumption: employee only about $295,363 at 4% or $196,909 at 6%; with 50% employer match about $196,909 at 4% or $131,273 at 6%; with 100% employer match about $147,682 at 4% or $98,454 at 6%.
Ida Group Benefits Plan-985---
200831,521$100,543,939$0-
Institute for Defense Analyses Qualified Retirement Plan-946$100,543,939--
Ida Group Benefits Plan-941---
Institute for Defense Analyses Tax Deferred Annuity Plan-1,521---
200731,308$147,523,357$10,300,158$7,875iApproximate average salary by contribution assumption: employee only about $196,868 at 4% or $131,246 at 6%; with 50% employer match about $131,246 at 4% or $87,497 at 6%; with 100% employer match about $98,434 at 4% or $65,623 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-903$147,523,357$10,300,158$11,407iApproximate average salary by contribution assumption: employee only about $285,165 at 4% or $190,110 at 6%; with 50% employer match about $190,110 at 4% or $126,740 at 6%; with 100% employer match about $142,582 at 4% or $95,055 at 6%.
Ida Group Benefits Plan-906---
Institute for Defense Analyses Tax Deferred Annuity Plan-1,308---
200631,294$131,340,004$9,290,755$7,180iApproximate average salary by contribution assumption: employee only about $179,497 at 4% or $119,665 at 6%; with 50% employer match about $119,665 at 4% or $79,776 at 6%; with 100% employer match about $89,748 at 4% or $59,832 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-889$131,340,004$9,290,755$10,451iApproximate average salary by contribution assumption: employee only about $261,270 at 4% or $174,180 at 6%; with 50% employer match about $174,180 at 4% or $116,120 at 6%; with 100% employer match about $130,635 at 4% or $87,090 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,294---
Ida Group Benefits Plan-892---
200531,250$112,111,813$9,313,782$7,451iApproximate average salary by contribution assumption: employee only about $186,276 at 4% or $124,184 at 6%; with 50% employer match about $124,184 at 4% or $82,789 at 6%; with 100% employer match about $93,138 at 4% or $62,092 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-872$112,111,813$9,313,782$10,681iApproximate average salary by contribution assumption: employee only about $267,024 at 4% or $178,016 at 6%; with 50% employer match about $178,016 at 4% or $118,677 at 6%; with 100% employer match about $133,512 at 4% or $89,008 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,250---
Ida Group Benefits Plan-892---
200231,059$62,768,405$6,450,290$6,091iApproximate average salary by contribution assumption: employee only about $152,273 at 4% or $101,515 at 6%; with 50% employer match about $101,515 at 4% or $67,677 at 6%; with 100% employer match about $76,137 at 4% or $50,758 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-859$62,768,405$6,450,290$7,509iApproximate average salary by contribution assumption: employee only about $187,727 at 4% or $125,151 at 6%; with 50% employer match about $125,151 at 4% or $83,434 at 6%; with 100% employer match about $93,863 at 4% or $62,576 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-1,059---
Ida Group Benefits Plan-825---
20013847$72,185,235$6,074,084$7,171iApproximate average salary by contribution assumption: employee only about $179,282 at 4% or $119,522 at 6%; with 50% employer match about $119,522 at 4% or $79,681 at 6%; with 100% employer match about $89,641 at 4% or $59,761 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-847$72,185,235$6,074,084$7,171iApproximate average salary by contribution assumption: employee only about $179,282 at 4% or $119,522 at 6%; with 50% employer match about $119,522 at 4% or $79,681 at 6%; with 100% employer match about $89,641 at 4% or $59,761 at 6%.
Institute for Defense Analyses Tax Deferred Annuity Plan-0---
Ida Group Benefits Plan-730---
20003855$79,873,933$5,682,749$6,646iApproximate average salary by contribution assumption: employee only about $166,162 at 4% or $110,775 at 6%; with 50% employer match about $110,775 at 4% or $73,850 at 6%; with 100% employer match about $83,081 at 4% or $55,387 at 6%.
Institute for Defense Analyses Qualified Retirement Plan-855$79,873,933$5,682,749$6,646iApproximate average salary by contribution assumption: employee only about $166,162 at 4% or $110,775 at 6%; with 50% employer match about $110,775 at 4% or $73,850 at 6%; with 100% employer match about $83,081 at 4% or $55,387 at 6%.
Ida Group Benefits Plan-804---
Institute for Defense Analyses Tax Deferred Annuity Plan-0---
19991779$0$0-
Ida Group Benefits Plan-779---