NAICS 921 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 961 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 961
Total assets: $4.2B
Total participants: 271,767
Median expense ratio: 0.29%
Median employer contribution per active participant: $3,704
Median account balance: $27,490
3-year asset growth (2022–2024): +31.4%

Expense ratio distribution

25th percentile: 0.07%
Median: 0.29%
75th percentile: 0.74%

Where the fees go (average mix)

Admin / Recordkeeping: 43.9%
Investment Management: 40.0%
Audit: 4.1%
Legal: 1.5%

Employer contribution generosity

Median per active participant: $3,704
Plans with $0 employer match: —

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	1,004	$3.2B	265,712	0.50%	—
2023	1,036	$3.8B	281,939	0.32%	—
2024	961	$4.2B	271,767	0.29%	$3,704

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 921" is served from the accepted-generation projection for plan year 2024. Medians use percentile_cont over reported values; zero/null values are excluded from rate-style metrics.

Citation: PlanProvider.Pro, Form 5500 Benchmarks 2024. Free for editorial use with attribution + link to https://planprovider.pro/benchmarks/industry/921.