NAICS 621 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 131,657 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 131,657
Total assets: $703.7B
Total participants: 9,882,413
Median expense ratio: 0.23%
Median employer contribution per active participant: $3,080
Median account balance: $92,852
3-year asset growth (2022–2024): +23.3%

Expense ratio distribution

25th percentile: 0.08%
Median: 0.23%
75th percentile: 0.46%

Where the fees go (average mix)

Admin / Recordkeeping: 43.1%
Investment Management: 49.7%
Audit: 3.7%
Legal: 0.3%

Employer contribution generosity

Median per active participant: $3,080
Plans with $0 employer match: —

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	131,528	$570.9B	9,379,787	0.37%	—
2023	133,033	$651.4B	9,796,749	0.24%	—
2024	131,657	$703.7B	9,882,413	0.23%	$3,080

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 621" 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/621.