Citable segment mix
AON's latest SEC segment disclosure for revenue by geography shows U.S. as the largest listed segment at $2.02B (47.6% of disclosed segment revenue).
| Segment | Period | Revenue | Mix |
|---|---|---|---|
| U.S. | Jun 30, 2026 | $2.02B | 47.6% |
| Europe, Middle East, & Africa other than U.K. and Ireland | Jun 30, 2026 | $718.00M | 16.9% |
| U.K. | Jun 30, 2026 | $632.00M | 14.9% |
| Asia Pacific | Jun 30, 2026 | $421.00M | 9.9% |
| Americas other than U.S. | Jun 30, 2026 | $408.00M | 9.6% |
| Ireland | Jun 30, 2026 | $47.00M | 1.1% |
Source: SEC EDGAR segment disclosures; period Jun 30, 2026.
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