Defined Benefit (Pension) · DOL Form 5500 · 2024
Aon Corporation Pension Plan
Data updated 2026-08-06
- $1.5B
- Total assets
- 1,646
- Participants
- 99th
- Percentile by assets
- $891,304
- Avg per participant
Official DOL plan name: Aon Retirement Pension Plan · Sponsored by Aon Corporation · Georgia · Finance & Insurance
$1.5B in assets, 1,646 participants
Aon Corporation's Aon Retirement Pension Plan reported $1.5B in total assets and 1,646 participants in its 2024 DOL Form 5500 filing, ranking in the 99th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
- 99th percentile by assets (of 116,472 plans)
- #8,069 in Finance & Insurance (8,240 peers)
Where Aon Retirement Pension Plan sits by assets
Aon Retirement Pension Plan sits among the largest 1% of all filed plans, $1.5B for 1,646 participants (~$891,304/participant), down 5.5% in 2024.
- $1.5B
- total plan assets (2024 EOY)
- 1,646
- covered participants
- 99th
- percentile by assets (of 116,472 plans)
- $891,304
- avg assets per participant
The plan reported a net loss of $74M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Aon Retirement Pension Plan reported net income fell from $34M in the plan year 2023 filing to -$74M in the plan year 2024 filing.
- Aon Retirement Pension Plan reported participants fell from 1,806 in the plan year 2023 filing to 1,646 in the plan year 2024 filing.
- Aon Retirement Pension Plan end-of-year assets fell from $1.6B in the plan year 2023 filing to $1.5B in the plan year 2024 filing.
Aon Retirement Pension Plan vs the 2024 asset distribution
By assets, Aon Retirement Pension Plan outranks 99% of the 116,472 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 15x the national average plan size of $100M (730 average participants).
Scale-class filing particulars (2024)
| Total Assets (Beginning of Year) | $1.6B |
|---|---|
| Net Assets (End of Year) | $1.4B |
| Net Income | -$74M |
| Employer EIN | 363051915 |
| Plan Effective Date | 2020-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Aon Corporation)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 3 | 14,536 | $6.9B |
| 2023 | 2 | 15,754 | $7.8B |
| 2024 | 2 | 15,620 | $8.2B |
Nearby Defined Benefit (Pension) Plans in Georgia
Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.
Aon Retirement Pension Plan vs. nearby Defined Benefit (Pension) plans in Georgia, assets vs. participants
- UPS Retirement Plan $21.2B · 43,465
- The Southern Company Pension Plan $15.3B · 25,843
- UPS/Ibt Full-Time Employee Pension Plan $12.2B · 69,627
- UPS Pension Plan $9.3B · 157,587
- Delta Retirement Plan $7.3B · 15,222
Similar-Sized Defined Benefit (Pension) Plans Nationally
Defined Benefit (Pension) plans in other states closest to Aon Retirement Pension Plan by total assets, not by location.
- Nyu Langone Hospitals Retirement Plan (NY) $1.5B · 2,774
- Principal Cash Balance Plan (IA) $1.5B · 11,945
- Western Washington Laborers-Employers Pension Plan (WA) $1.5B · 10,507
- Cleveland-Cliffs Combined Pension Plan (OH) $1.5B · 2,727
Frequently Asked Questions
How did Aon Retirement Pension Plan assets move in 2024? ▼
How have Aon Corporation plan assets changed over time? ▼
Where does Aon Retirement Pension Plan rank by assets among Form 5500 filers? ▼
Which Defined Benefit (Pension) plans are similar in size to Aon Retirement Pension Plan? ▼
Next read for Aon Retirement Pension Plan
Scale reading
Ways to act on Aon Retirement Pension Plan's numbers.
- By total assets, Aon Retirement Pension Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Georgia. Compare plans
- Aon Corporation's sponsor-wide assets have grown 17.9% since 2022 across 3 plan years on file. More Finance & Insurance plans