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Assets
Ownership %: Federal Reserve SCF, 2022
Liabilities
Holding %: Federal Reserve SCF 2022 & agency estimates
Net Worth
Overview By Percentile By Age
Cash Flow
Income Spending Taxes Debt Service Savings
Households
Overview By Age By Generation
Total 401(k) Plan Assets
$10.0T Q3 2025
Source: Investment Company Institute & Department of Labor · Quarterly Retirement Market Data
Active 401(k) Plan Participants
81.6M 2023
Source: Department of Labor · Form 5500 Private Pension Plan Bulletin, 1984–2023
Total 401(k) Contributions
$633B 2022
Source: Department of Labor · Form 5500 Private Pension Plan Bulletin, 1984–2022
Estimated Employer 401(k) Matching Contributions
$212B 2022
Source: Department of Labor · Estimated from Form 5500 data using employer contribution share of total contributions
Average 401(k) Balance (Fidelity)
$146,400 Q4 2025
Source: Fidelity Investments · Quarterly Retirement Analysis
401(k) Millionaires (Fidelity Accounts)
665,000 Q4 2025
Source: Fidelity Investments · Quarterly Retirement Analysis (Fidelity-managed accounts only)

Key Data

Key 401(k) metrics from ICI Quarterly Retirement Market Data, Q3 2025.

Metric Value As Of Source
Total 401(k) Plan Assets $10.0 Trillion Q3 2025 ICI
Average Fidelity 401(k) Balance $132,006 Q1 2025 Fidelity
Total U.S. Retirement Assets $48.1 Trillion Q3 2025 ICI