Research from every Form 5500 filing
Market numbers for 401(k) and employee benefit plans, built from the Department of Labor filings behind every plan page. Free to read and cite.
Data as of 2026-11-08.
- $80.4BThe Boeing Company 401(k) Retirement Plan, the largest 401(k) planThe 100 largest 401(k) plans in the U.S.
- $340median admin cost per participant, plans under 100 people401(k) administrative fees by plan size
- 37.3%of 401(k) plans auto-enrollHow many 401(k) plans auto-enroll workers?
- 939,424active retirement plansRetirement plans by state
- $3.64Tin retirement plans sponsored by ManufacturingRetirement plans by industry
- 17,117plans served by Fidelity Investments InstitutionalTop retirement plan service providers
- 3,629plans audited by Baker Tilly US, LLPTop retirement plan auditors
- $34.3Bin premium on Kaiser Permanente contractsTop employer health insurance carriers by premium
- $32.2Bpremium placed by Marsh & McLennan Agency LLCTop employee benefits brokers by premium placed