Data has been compiled from multiple publications. Figures from 2005, 2017, 2018, and 2019 have been taken from previous publications. Figures have been rounded.
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Value of retirement assets in 401(k) plans in the U.S. 2000-2025
The value of retirement assets in 401(k) plans in the United States grew overall during the period from 2000 to 2024, reaching approximately *** trillion U.S. dollars by the end of the second quarter of 2025. A notable portion of these assets, exceeding **** trillion U.S. dollars, is invested in mutual funds through 401(k) plans.Â
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ICI. (September 18, 2025). Value of retirement assets in 401(k) plans in the United States from 2000 to 2nd quarter 2025, by type of investment (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1096899/value-retirement-assets-401-k-plans-usa/
ICI. "Value of retirement assets in 401(k) plans in the United States from 2000 to 2nd quarter 2025, by type of investment (in billion U.S. dollars) ." Chart. September 18, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1096899/value-retirement-assets-401-k-plans-usa/
ICI. (2025). Value of retirement assets in 401(k) plans in the United States from 2000 to 2nd quarter 2025, by type of investment (in billion U.S. dollars) . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1096899/value-retirement-assets-401-k-plans-usa/
ICI. "Value of Retirement Assets in 401(K) Plans in The United States from 2000 to 2nd Quarter 2025, by Type of Investment (in Billion U.S. Dollars) ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Sep 2025, /statistics/1096899/value-retirement-assets-401-k-plans-usa/
ICI, Value of retirement assets in 401(k) plans in the United States from 2000 to 2nd quarter 2025, by type of investment (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/1096899/value-retirement-assets-401-k-plans-usa/ (last visited July 23, 2026)
Value of retirement assets in 401(k) plans in the United States from 2000 to 2nd quarter 2025, by type of investment (in billion U.S. dollars) [Graph], ICI, September 18, 2025. [Online]. Available: /statistics/1096899/value-retirement-assets-401-k-plans-usa/
