NAICS 337 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 1,380 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 1,380
Total assets: $15.2B
Total participants: 25,675
Median expense ratio: 0.43%
Median employer contribution per active participant: $1,579
Median account balance: $45,255
3-year asset growth (2022–2024): +47.2%

Expense ratio distribution

25th percentile: 0.16%
Median: 0.43%
75th percentile: 0.85%

Where the fees go (average mix)

Admin / Recordkeeping: 26.3%
Investment Management: 20.9%
Audit: 2.7%
Legal: 0.1%

Employer contribution generosity

Median per active participant: $1,579
Plans with $0 employer match: 328 (23.8%)

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	1,238	$10.3B	20,797	0.45%	$1,412
2023	1,355	$13.9B	24,575	0.41%	$1,424
2024	1,380	$15.2B	25,675	0.43%	$1,579

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 337" includes 1,380 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/337.