OPEC - Population 2025
| Country | Value | YoY | Rank |
|---|---|---|---|
| Algeria | 47.5M | 1.5% | 33rd |
| Angola | 39.0M | 2.9% | 39th |
| Congo, Republic of | 6.5M | 2.2% | 108th |
| Equatorial Guinea | 1.9M | 2.3% | 148th |
| Gabon | 2.6M | 2.1% | 141st |
| Iran, Islamic Republic of | 92.5M | 1.0% | 17th |
| Iraq | 47.0M | 2.1% | 34th |
| Kuwait | 5.1M | 3.5% | 126th |
| Libya | 7.5M | 1.2% | 104th |
| Nigeria | 237.3M | 2.0% | 7th |
| Saudi Arabia | 35.8M | 1.5% | 44th |
| United Arab Emirates | 11.3M | 3.1% | 84th |