RTA - HEALTH & WELFARE PLAN RIO TINTO AMERICA, INC.
Plan context: Rio Tinto America Inc. Retirement Plan
EIN 11-3359689 • 106 filings • 17 plans
Current Snapshot
Latest Year
2024
2024 Participants
2,148
2024 Assets
$1,603,066,666
2024 Contributions
$50,630,736
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 | 2,148 | $1,603,066,666 | $50,630,736 | $23,571iApproximate average salary by contribution assumption: employee only about $589,278 at 4% or $392,852 at 6%; with 50% employer match about $392,852 at 4% or $261,901 at 6%; with 100% employer match about $294,639 at 4% or $196,426 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,472 | $916,073,742 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,148 | $686,992,924 | $50,630,736 | $23,571iApproximate average salary by contribution assumption: employee only about $589,278 at 4% or $392,852 at 6%; with 50% employer match about $392,852 at 4% or $261,901 at 6%; with 100% employer match about $294,639 at 4% or $196,426 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,985 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2023 | 4 | 1,976 | $1,586,534,655 | $46,645,117 | $23,606iApproximate average salary by contribution assumption: employee only about $590,146 at 4% or $393,430 at 6%; with 50% employer match about $393,430 at 4% or $262,287 at 6%; with 100% employer match about $295,073 at 4% or $196,715 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,564 | $971,777,160 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,926 | $614,757,495 | $46,645,117 | $24,219iApproximate average salary by contribution assumption: employee only about $605,466 at 4% or $403,644 at 6%; with 50% employer match about $403,644 at 4% or $269,096 at 6%; with 100% employer match about $302,733 at 4% or $201,822 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,976 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2022 | 4 | 1,773 | $1,359,906,456 | $36,826,844 | $20,771iApproximate average salary by contribution assumption: employee only about $519,273 at 4% or $346,182 at 6%; with 50% employer match about $346,182 at 4% or $230,788 at 6%; with 100% employer match about $259,637 at 4% or $173,091 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,643 | $843,394,110 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,773 | $516,512,346 | $36,826,844 | $20,771iApproximate average salary by contribution assumption: employee only about $519,273 at 4% or $346,182 at 6%; with 50% employer match about $346,182 at 4% or $230,788 at 6%; with 100% employer match about $259,637 at 4% or $173,091 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,761 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2021 | 4 | 1,747 | $1,781,257,280 | $31,109,193 | $17,807iApproximate average salary by contribution assumption: employee only about $445,180 at 4% or $296,787 at 6%; with 50% employer match about $296,787 at 4% or $197,858 at 6%; with 100% employer match about $222,590 at 4% or $148,393 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,747 | $1,157,000,271 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,480 | $624,257,009 | $31,109,193 | $21,020iApproximate average salary by contribution assumption: employee only about $525,493 at 4% or $350,329 at 6%; with 50% employer match about $350,329 at 4% or $233,553 at 6%; with 100% employer match about $262,747 at 4% or $175,164 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,507 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2020 | 4 | 1,876 | $1,558,084,986 | $29,424,873 | $15,685iApproximate average salary by contribution assumption: employee only about $392,123 at 4% or $261,415 at 6%; with 50% employer match about $261,415 at 4% or $174,277 at 6%; with 100% employer match about $196,061 at 4% or $130,708 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,876 | $988,207,003 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,350 | $569,877,983 | $29,424,873 | $21,796iApproximate average salary by contribution assumption: employee only about $544,905 at 4% or $363,270 at 6%; with 50% employer match about $363,270 at 4% or $242,180 at 6%; with 100% employer match about $272,453 at 4% or $181,635 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,390 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2019 | 4 | 2,572 | $1,179,797,131 | $27,308,389 | $10,618iApproximate average salary by contribution assumption: employee only about $265,439 at 4% or $176,959 at 6%; with 50% employer match about $176,959 at 4% or $117,973 at 6%; with 100% employer match about $132,720 at 4% or $88,480 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 333 | $664,599,764 | - | - |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,379 | $515,197,367 | $27,308,389 | $19,803iApproximate average salary by contribution assumption: employee only about $495,076 at 4% or $330,051 at 6%; with 50% employer match about $330,051 at 4% or $220,034 at 6%; with 100% employer match about $247,538 at 4% or $165,025 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,408 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 2,572 | - | - | - |
| 2018 | 7 | 1,338 | $825,628,398 | $45,587,366 | $34,071iApproximate average salary by contribution assumption: employee only about $851,782 at 4% or $567,855 at 6%; with 50% employer match about $567,855 at 4% or $378,570 at 6%; with 100% employer match about $425,891 at 4% or $283,927 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,323 | $462,056,274 | $27,587,366 | $20,852iApproximate average salary by contribution assumption: employee only about $521,303 at 4% or $347,535 at 6%; with 50% employer match about $347,535 at 4% or $231,690 at 6%; with 100% employer match about $260,652 at 4% or $173,768 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 376 | $363,572,124 | $18,000,000 | $47,872iApproximate average salary by contribution assumption: employee only about $1,196,809 at 4% or $797,872 at 6%; with 50% employer match about $797,872 at 4% or $531,915 at 6%; with 100% employer match about $598,404 at 4% or $398,936 at 6%. |
| Rio Tinto America Inc. USA Severance Plan | - | 0 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 0 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,338 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| 2017 | 6 | 1,368 | $885,591,207 | $70,351,569 | $51,427iApproximate average salary by contribution assumption: employee only about $1,285,665 at 4% or $857,110 at 6%; with 50% employer match about $857,110 at 4% or $571,407 at 6%; with 100% employer match about $642,832 at 4% or $428,555 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,352 | $509,573,217 | $26,351,569 | $19,491iApproximate average salary by contribution assumption: employee only about $487,270 at 4% or $324,847 at 6%; with 50% employer match about $324,847 at 4% or $216,565 at 6%; with 100% employer match about $243,635 at 4% or $162,423 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 471 | $376,017,990 | $44,000,000 | $93,418iApproximate average salary by contribution assumption: employee only about $2,335,456 at 4% or $1,556,971 at 6%; with 50% employer match about $1,556,971 at 4% or $1,037,981 at 6%; with 100% employer match about $1,167,728 at 4% or $778,485 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,368 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 77 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 1,312 | - | - | - |
| 2016 | 6 | 1,484 | $850,362,900 | $68,534,005 | $46,182iApproximate average salary by contribution assumption: employee only about $1,154,549 at 4% or $769,699 at 6%; with 50% employer match about $769,699 at 4% or $513,133 at 6%; with 100% employer match about $577,274 at 4% or $384,850 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,484 | $474,240,753 | $26,434,005 | $17,813iApproximate average salary by contribution assumption: employee only about $445,317 at 4% or $296,878 at 6%; with 50% employer match about $296,878 at 4% or $197,919 at 6%; with 100% employer match about $222,658 at 4% or $148,439 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 528 | $376,122,147 | $42,100,000 | $79,735iApproximate average salary by contribution assumption: employee only about $1,993,371 at 4% or $1,328,914 at 6%; with 50% employer match about $1,328,914 at 4% or $885,943 at 6%; with 100% employer match about $996,686 at 4% or $664,457 at 6%. |
| Rio Tinto America Inc. USA Severance Plan | - | 1,236 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 85 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,335 | - | - | - |
| 2015 | 8 | 2,432 | $1,244,941,986 | $65,334,962 | $26,865iApproximate average salary by contribution assumption: employee only about $671,618 at 4% or $447,745 at 6%; with 50% employer match about $447,745 at 4% or $298,497 at 6%; with 100% employer match about $335,809 at 4% or $223,873 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,671 | $477,330,985 | $30,616,902 | $18,323iApproximate average salary by contribution assumption: employee only about $458,063 at 4% or $305,375 at 6%; with 50% employer match about $305,375 at 4% or $203,583 at 6%; with 100% employer match about $229,031 at 4% or $152,688 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,432 | $433,214,794 | $33,618,060 | $13,823iApproximate average salary by contribution assumption: employee only about $345,580 at 4% or $230,387 at 6%; with 50% employer match about $230,387 at 4% or $153,591 at 6%; with 100% employer match about $172,790 at 4% or $115,193 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 626 | $334,396,207 | $1,100,000 | $1,757iApproximate average salary by contribution assumption: employee only about $43,930 at 4% or $29,286 at 6%; with 50% employer match about $29,286 at 4% or $19,524 at 6%; with 100% employer match about $21,965 at 4% or $14,643 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | 0 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,620 | - | - | - |
| RIO TINTO AMERICA INC. HEALTH REIMBURSEMENT ACCOUNT FOR RIO TINTO ENERGY AMERICA, INC. OPTION 1 | - | 41 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 1,441 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 91 | - | - | - |
| 2014 | 8 | 1,857 | $1,373,973,471 | $77,333,489 | $41,644iApproximate average salary by contribution assumption: employee only about $1,041,108 at 4% or $694,072 at 6%; with 50% employer match about $694,072 at 4% or $462,715 at 6%; with 100% employer match about $520,554 at 4% or $347,036 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,857 | $504,837,705 | $33,089,243 | $17,819iApproximate average salary by contribution assumption: employee only about $445,466 at 4% or $296,978 at 6%; with 50% employer match about $296,978 at 4% or $197,985 at 6%; with 100% employer match about $222,733 at 4% or $148,489 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,857 | $504,771,687 | $33,089,246 | $17,819iApproximate average salary by contribution assumption: employee only about $445,466 at 4% or $296,978 at 6%; with 50% employer match about $296,978 at 4% or $197,985 at 6%; with 100% employer match about $222,733 at 4% or $148,489 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 744 | $364,364,079 | $11,155,000 | $14,993iApproximate average salary by contribution assumption: employee only about $374,832 at 4% or $249,888 at 6%; with 50% employer match about $249,888 at 4% or $166,592 at 6%; with 100% employer match about $187,416 at 4% or $124,944 at 6%. |
| Rio Tinto America Inc. USA Severance Plan | - | 1,599 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 103 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,853 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Wrap Plan for Retirees | - | - | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,853 | - | - | - |
| 2013 | 5 | 2,067 | $869,441,007 | $47,782,766 | $23,117iApproximate average salary by contribution assumption: employee only about $577,924 at 4% or $385,283 at 6%; with 50% employer match about $385,283 at 4% or $256,855 at 6%; with 100% employer match about $288,962 at 4% or $192,641 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 1,984 | $508,790,772 | $35,882,766 | $18,086iApproximate average salary by contribution assumption: employee only about $452,152 at 4% or $301,435 at 6%; with 50% employer match about $301,435 at 4% or $200,956 at 6%; with 100% employer match about $226,076 at 4% or $150,717 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 850 | $360,650,235 | $11,900,000 | $14,000iApproximate average salary by contribution assumption: employee only about $350,000 at 4% or $233,333 at 6%; with 50% employer match about $233,333 at 4% or $155,556 at 6%; with 100% employer match about $175,000 at 4% or $116,667 at 6%. |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 123 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 2,067 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 1,581 | - | - | - |
| 2012 | 5 | 2,188 | $861,588,196 | $36,269,080 | $16,576iApproximate average salary by contribution assumption: employee only about $414,409 at 4% or $276,273 at 6%; with 50% employer match about $276,273 at 4% or $184,182 at 6%; with 100% employer match about $207,205 at 4% or $138,136 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,188 | $459,261,137 | $36,269,080 | $16,576iApproximate average salary by contribution assumption: employee only about $414,409 at 4% or $276,273 at 6%; with 50% employer match about $276,273 at 4% or $184,182 at 6%; with 100% employer match about $207,205 at 4% or $138,136 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 980 | $402,327,059 | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 116 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 2,029 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 2,055 | - | - | - |
| 2011 | 5 | 2,468 | $807,442,183 | $44,903,413 | $18,194iApproximate average salary by contribution assumption: employee only about $454,856 at 4% or $303,238 at 6%; with 50% employer match about $303,238 at 4% or $202,158 at 6%; with 100% employer match about $227,428 at 4% or $151,619 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,432 | $433,369,621 | $35,805,413 | $14,723iApproximate average salary by contribution assumption: employee only about $368,066 at 4% or $245,377 at 6%; with 50% employer match about $245,377 at 4% or $163,585 at 6%; with 100% employer match about $184,033 at 4% or $122,689 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,060 | $374,072,562 | $9,098,000 | $8,583iApproximate average salary by contribution assumption: employee only about $214,575 at 4% or $143,050 at 6%; with 50% employer match about $143,050 at 4% or $95,367 at 6%; with 100% employer match about $107,288 at 4% or $71,525 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 2,468 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 2,016 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 123 | - | - | - |
| 2010 | 5 | 2,377 | $852,478,430 | $92,919,852 | $39,091iApproximate average salary by contribution assumption: employee only about $977,281 at 4% or $651,520 at 6%; with 50% employer match about $651,520 at 4% or $434,347 at 6%; with 100% employer match about $488,640 at 4% or $325,760 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,281 | $464,943,929 | $29,619,852 | $12,985iApproximate average salary by contribution assumption: employee only about $324,637 at 4% or $216,424 at 6%; with 50% employer match about $216,424 at 4% or $144,283 at 6%; with 100% employer match about $162,318 at 4% or $108,212 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,452 | $387,534,501 | $63,300,000 | $43,595iApproximate average salary by contribution assumption: employee only about $1,089,876 at 4% or $726,584 at 6%; with 50% employer match about $726,584 at 4% or $484,389 at 6%; with 100% employer match about $544,938 at 4% or $363,292 at 6%. |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 2,377 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 1,921 | - | - | - |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 95 | - | - | - |
| 2009 | 5 | 3,893 | $803,454,261 | $84,757,659 | $21,772iApproximate average salary by contribution assumption: employee only about $544,295 at 4% or $362,864 at 6%; with 50% employer match about $362,864 at 4% or $241,909 at 6%; with 100% employer match about $272,148 at 4% or $181,432 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 2,198 | $481,046,457 | $45,123,954 | $20,530iApproximate average salary by contribution assumption: employee only about $513,239 at 4% or $342,159 at 6%; with 50% employer match about $342,159 at 4% or $228,106 at 6%; with 100% employer match about $256,619 at 4% or $171,080 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 1,580 | $322,407,804 | $39,633,705 | $25,085iApproximate average salary by contribution assumption: employee only about $627,116 at 4% or $418,077 at 6%; with 50% employer match about $418,077 at 4% or $278,718 at 6%; with 100% employer match about $313,558 at 4% or $209,039 at 6%. |
| Rio Tinto America Inc. USA Executive Severance Plan | - | 94 | - | - | - |
| Rio Tinto America Inc. USA Severance Plan | - | 1,965 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 3,893 | - | - | - |
| 2008 | 4 | 4,541 | $607,232,283 | $52,159,130 | $11,486iApproximate average salary by contribution assumption: employee only about $287,157 at 4% or $191,438 at 6%; with 50% employer match about $191,438 at 4% or $127,625 at 6%; with 100% employer match about $143,578 at 4% or $95,719 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 4,541 | $372,690,264 | $49,217,834 | $10,839iApproximate average salary by contribution assumption: employee only about $270,964 at 4% or $180,642 at 6%; with 50% employer match about $180,642 at 4% or $120,428 at 6%; with 100% employer match about $135,482 at 4% or $90,321 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 3,538 | $234,542,019 | $2,941,296 | $831iApproximate average salary by contribution assumption: employee only about $20,784 at 4% or $13,856 at 6%; with 50% employer match about $13,856 at 4% or $9,237 at 6%; with 100% employer match about $10,392 at 4% or $6,928 at 6%. |
| Rio Tinto America Inc. USA Severance Plan | - | 1,259 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 4,505 | - | - | - |
| 2007 | 3 | 4,764 | $921,617,498 | $42,841,936 | $8,993iApproximate average salary by contribution assumption: employee only about $224,821 at 4% or $149,881 at 6%; with 50% employer match about $149,881 at 4% or $99,921 at 6%; with 100% employer match about $112,411 at 4% or $74,940 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 4,764 | $548,900,435 | $42,841,936 | $8,993iApproximate average salary by contribution assumption: employee only about $224,821 at 4% or $149,881 at 6%; with 50% employer match about $149,881 at 4% or $99,921 at 6%; with 100% employer match about $112,411 at 4% or $74,940 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 4,214 | $372,717,063 | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 0 | - | - | - |
| 2006 | 3 | 4,381 | $863,427,392 | $36,586,539 | $8,351iApproximate average salary by contribution assumption: employee only about $208,780 at 4% or $139,186 at 6%; with 50% employer match about $139,186 at 4% or $92,791 at 6%; with 100% employer match about $104,390 at 4% or $69,593 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 4,381 | $492,614,529 | $36,586,539 | $8,351iApproximate average salary by contribution assumption: employee only about $208,780 at 4% or $139,186 at 6%; with 50% employer match about $139,186 at 4% or $92,791 at 6%; with 100% employer match about $104,390 at 4% or $69,593 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 3,562 | $370,812,863 | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 3,903 | - | - | - |
| 2005 | 3 | 3,956 | $764,831,387 | $31,100,215 | $7,862iApproximate average salary by contribution assumption: employee only about $196,538 at 4% or $131,026 at 6%; with 50% employer match about $131,026 at 4% or $87,350 at 6%; with 100% employer match about $98,269 at 4% or $65,513 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 3,956 | $437,337,553 | $31,100,215 | $7,862iApproximate average salary by contribution assumption: employee only about $196,538 at 4% or $131,026 at 6%; with 50% employer match about $131,026 at 4% or $87,350 at 6%; with 100% employer match about $98,269 at 4% or $65,513 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 3,234 | $327,493,834 | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 3,307 | - | - | - |
| 2004 | 3 | 3,420 | $399,380,343 | $28,969,544 | $8,471iApproximate average salary by contribution assumption: employee only about $211,766 at 4% or $141,177 at 6%; with 50% employer match about $141,177 at 4% or $94,118 at 6%; with 100% employer match about $105,883 at 4% or $70,589 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 3,332 | $399,380,343 | $28,969,544 | $8,694iApproximate average salary by contribution assumption: employee only about $217,359 at 4% or $144,906 at 6%; with 50% employer match about $144,906 at 4% or $96,604 at 6%; with 100% employer match about $108,679 at 4% or $72,453 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 3,056 | - | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 3,420 | - | - | - |
| 2003 | 3 | 3,391 | $729,419,270 | $28,654,629 | $8,450iApproximate average salary by contribution assumption: employee only about $211,255 at 4% or $140,837 at 6%; with 50% employer match about $140,837 at 4% or $93,891 at 6%; with 100% employer match about $105,628 at 4% or $70,418 at 6%. |
| Rio Tinto America Inc. Savings Plan and Investment Partnership Plan | - | 3,205 | $365,880,475 | $28,654,629 | $8,941iApproximate average salary by contribution assumption: employee only about $223,515 at 4% or $149,010 at 6%; with 50% employer match about $149,010 at 4% or $99,340 at 6%; with 100% employer match about $111,758 at 4% or $74,505 at 6%. |
| Rio Tinto America Inc. Retirement Plan | - | 2,983 | $363,538,795 | - | - |
| Rio Tinto America Inc. Welfare Benefits Plan | - | 3,391 | - | - | - |
| 2002 | 1 | 3,032 | $317,772,333 | $0 | - |
| Rio Tinto America Inc. Retirement Plan | - | 3,032 | $317,772,333 | - | - |
| 2001 | 1 | 3,154 | $373,867,965 | $0 | - |
| Rio Tinto America Inc. Retirement Plan | - | 3,154 | $373,867,965 | - | - |
| 2000 | 1 | 3,267 | $0 | $0 | - |
| Rio Tinto America Inc. Retirement Plan | - | 3,267 | - | - | - |