Illinois Retirement Plan Benchmarks

Statewide benchmarks across every Form 5500 filer headquartered in the state. Sourced from 37,929 Form 5500 filings for plan year 2024.

Headline numbers (2024)

Plans: 37,929
Total assets: $1096.1B
Total participants: 10,217,894
Median expense ratio: 0.19%
Median employer contribution per active participant: $2,592
Median account balance: $70,538
3-year asset growth (2022–2024): -30.2%

Expense ratio distribution

25th percentile: 0.05%
Median: 0.19%
75th percentile: 0.41%

Where the fees go (average mix)

Admin / Recordkeeping: 31.8%
Investment Management: 50.7%
Audit: 8.4%
Legal: 2.1%

Employer contribution generosity

Median per active participant: $2,592
Plans with $0 employer match: —

3-year trend

Year	Plans	Assets	Participants	Median fee	Median employer $
2022	36,442	$1570.5B	10,801,872	0.30%	—
2023	37,622	$1810.3B	10,649,845	0.19%	—
2024	37,929	$1096.1B	10,217,894	0.19%	$2,592

Methodology

All metrics are calculated from U.S. Department of Labor Form 5500 annual filings. The slice "Illinois" 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/state/illinois.