NAICS 331 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 3,066 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 3,066
Total assets: $79.9B
Total participants: 65,646
Median expense ratio: 0.43%
Median employer contribution per active participant: $1,949
Median account balance: $70,638
3-year asset growth (2022–2024): +33.9%

Expense ratio distribution

25th percentile: 0.16%
Median: 0.43%
75th percentile: 1.15%

Where the fees go (average mix)

Admin / Recordkeeping: 23.6%
Investment Management: 21.5%
Audit: 2.1%
Legal: 0.2%

Employer contribution generosity

Median per active participant: $1,949
Plans with $0 employer match: 557 (18.2%)

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	2,867	$59.7B	56,492	0.43%	$1,870
2023	3,102	$74.7B	66,127	0.40%	$1,946
2024	3,066	$79.9B	65,646	0.43%	$1,949

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 331" includes 3,066 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/331.