Public-interest competition observatory
Antitrust Radar
Latest recorded source access Aug 2026 · 235,810 public rows · 45 source records
Open-access research on market concentration, industry change, and competition policy. Researchers and journalists can explore the data, inspect our methods, and download evidence for their own analysis. Each finding includes its sources and limits.
State competition atlas
Where is insurer concentration highest?
ACA individual insurance, 2024. Select a state to inspect its public record.HHIBelow 1,0004,000+
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Source: KFF · 2024
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| Jurisdiction | market HHI |
|---|---|
| 6,945 | |
| 6,102 | |
| 5,965 | |
| 5,925 | |
| 5,804 | |
| 5,695 | |
| 5,648 | |
| 5,433 | |
| 5,385 | |
| 5,304 | |
| 5,025 | |
| 4,983 | |
| 4,975 | |
| 4,878 | |
| 4,225 | |
| 4,167 | |
| 4,116 | |
| 3,963 | |
| 3,955 | |
| 3,916 | |
| 3,864 | |
| 3,666 | |
| 3,644 | |
| 3,547 | |
| 3,450 | |
| 3,414 | |
| 3,396 | |
| 3,387 | |
| 3,255 | |
| 3,222 | |
| 2,957 | |
| 2,868 | |
| 2,831 | |
| 2,811 | |
| 2,793 | |
| 2,561 | |
| 2,464 | |
| 2,437 | |
| 2,413 | |
| 2,410 | |
| 2,389 | |
| 2,353 | |
| 2,334 | |
| 2,311 | |
| 2,222 | |
| 2,213 | |
| 2,071 | |
| 1,772 | |
| 1,619 | |
| 1,582 | |
| 1,474 |
Evidence desk
Global policy desk
Compare competition-policy systems without collapsing unlike evidence.
Follow source-separated regulation and authority-activity records across 65 economies and two regional authorities. Every brief preserves the release clock, missing lane, and rank denominator behind the number.
- Research scopes
- 67 65 economies + 2 authorities
- Joined evidence
- 47 PMR + authority activity
- One-sided records
- 18 8 regulation / 10 enforcement
- Annual activity
- 10 2015-2024
Exact evidence geography65 economies / 61 boundaries + 4 locators
Joined evidence laneUSAUnited States1,934 decisionsPMR 1.579 / #1 of 56Regulation-only laneMARMoroccoPMR 2.890No Competition Trends economy packetActivity-only laneSAUSaudi Arabia187 decisionsNo PMR economy packet
Regional off-mapCOMESA + EURegional authority scopes2 authoritiesListed separately; no country geometry