Citable segment mix
MRK's latest SEC segment disclosure for revenue by geography shows United States as the largest listed segment at $4.60B (30.6% of disclosed segment revenue).
| Segment | Period | Revenue | Mix |
|---|---|---|---|
| United States | Mar 31, 2026 | $4.60B | 30.6% |
| Europe, Middle East and Africa | Mar 31, 2026 | $3.89B | 25.9% |
| Int’l | Mar 31, 2026 | $3.31B | 22.0% |
| Latin America | Mar 31, 2026 | $874.00M | 5.8% |
| Asia Pacific (other than Japan and China) | Mar 31, 2026 | $738.00M | 4.9% |
| Other | Mar 31, 2026 | $679.00M | 4.5% |
Source: SEC EDGAR segment disclosures; period Mar 31, 2026.
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