NAICS 321 Retirement Plan Benchmarks

Industry benchmarks aggregated by NAICS classification. Sourced from 2,289 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 2,289
Total assets: $35.5B
Total participants: 46,679
Median expense ratio: 0.40%
Median employer contribution per active participant: $1,542
Median account balance: $59,424
3-year asset growth (2022–2024): +24.3%

Expense ratio distribution

25th percentile: 0.18%
Median: 0.40%
75th percentile: 0.94%

Where the fees go (average mix)

Admin / Recordkeeping: 23.6%
Investment Management: 20.2%
Audit: 3.0%
Legal: 0.2%

Employer contribution generosity

Median per active participant: $1,542
Plans with $0 employer match: 432 (18.9%)

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	2,154	$28.6B	38,914	0.46%	$1,497
2023	2,327	$33.7B	47,181	0.38%	$1,542
2024	2,289	$35.5B	46,679	0.40%	$1,542

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "NAICS 321" includes 2,289 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/321.