$1.3T across 15,291 plans
According to DOL Form 5500 filings (plan year 2024), California has 15,291 employer-sponsored retirement plans holding $1.3T in total assets for 9,635,555 participants, ranking 1st nationally by plan assets, with 74% structured as 401(k)s and an average of $87M per plan.
- 1st nationally by plan assets
- 74% 401(k) plans
The state in one line
California hosts 15,291 employer-sponsored retirement plans holding $1.3T for 9,635,555 participants, the 1st-largest state by plan assets.
- $1.3T
- total plan assets
- 15,291
- employer plans
- $137,446
- avg assets per participant
- 74%
- of plans are 401(k)s
What the Form 5500 Data Shows for California
California: 15,291 employer-sponsored plans
(11,363 401(k)), $1.3T aggregate assets,
9,635,555 participants.
Average plan: $87M; largest is Google LLC 401(k) Savings Plan at $48.7B.
Leading sector by assets: Manufacturing (19%). These figures aggregate the 15,291 Form 5500 filings California sponsors submitted for plan year 2024, counted by sponsor headquarters rather than participant residence; a plan administered in California can cover workers across several states, and the methodology page details that HQ-vs-residence distinction.
DOL Form 5500 methodology + HQ-vs-residence caveats →
Manufacturing leads California plan assets (19%)
Among plans headquartered here, Manufacturing accounts for $247.5B across 1,771 filings, ahead of Healthcare & Social Assistance at $245.0B. Sector mix is a Form 5500-derived signal: it reflects where sponsors file from, not where every participant lives.
DOL Form 5500 plan year 2024
California hosts 706 ESOP filings
Employee Stock Ownership Plans here hold $25.7B. ESOP density is uneven across states; when the count clears a meaningful floor, the ESOP ranking and industry pages are the better drill-downs than a 401(k)-only read.
DOL Form 5500 plan year 2024
Where California sits in the Form 5500 corpus
California sits in the top decile of U.S. states by Form 5500 plan assets (#1 of 56), so national rankings and peer comparisons are the useful next read.
DOL Form 5500 plan year 2024
Source: U.S. Department of Labor, EBSA Form 5500 public disclosure dataset. Shows the top 25 plans by total assets headquartered in California, out of 130,145 ERISA-covered plans nationally. Plan year 2024.
Source: DOL EFAST2 filing system (efast.dol.gov) - state is the plan sponsor's headquarters state as recorded on the Form 5500 filing.