NAICS 621 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 133,930 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 133,930
Total assets: $684.1B
Total participants: 1,724,939
Median expense ratio: 0.52%
Median employer contribution per active participant: $3,000
Median account balance: $80,950
3-year asset growth (2022–2024): +29.3%

Expense ratio distribution

25th percentile: 0.18%
Median: 0.52%
75th percentile: 1.86%

Where the fees go (average mix)

Admin / Recordkeeping: 28.1%
Investment Management: 15.6%
Audit: 1.1%
Legal: 0.1%

Employer contribution generosity

Median per active participant: $3,000
Plans with $0 employer match: 26,551 (19.8%)

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	124,672	$529.1B	1,480,566	0.63%	$3,456
2023	132,817	$622.5B	1,653,360	0.51%	$3,198
2024	133,930	$684.1B	1,724,939	0.52%	$3,000

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 621" includes 133,930 plans 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-ambulatory-health-care-services.