| 2020 | 2021 | 2022 | 2023 | 2024 | Change 24/23 | % Change 24/23 | Avg. Gr. (%) | Mean | SD | Min | Max | CV | Share in 2024 (%) | |
| Algeria | 13188 | 23356 | 32545 | 26101 | 25815 | -286 | -1.10 | 18.28 | 24201 | 7033 | 13188 | 32545 | 0.29 | 3.96 |
| Congo | 3689 | 5785 | 8297 | 6811 | 6338 | -473 | -6.94 | 14.49 | 6184 | 1678 | 3689 | 8297 | 0.27 | 0.97 |
| Equatorial Guinea | 1765 | 2366 | 3111 | 1745 | 1784 | 39 | 2.25 | 0.27 | 2154 | 595 | 1745 | 3111 | 0.28 | 0.27 |
| Gabon | 2714 | 4641 | 6812 | 6107 | 6000 | -106 | -1.74 | 21.94 | 5255 | 1623 | 2714 | 6812 | 0.31 | 0.92 |
| IR Iran | 7914 | 25526 | 38985 | 41129 | 46776 | 5647 | 13.73 | 55.92 | 32066 | 15592 | 7914 | 46776 | 0.49 | 7.17 |
| Iraq | 44130 | 79789 | 121064 | 102574 | 100972 | -1602 | -1.56 | 22.99 | 89706 | 29374 | 44130 | 121064 | 0.33 | 15.49 |
| Kuwait | 35228 | 61703 | 94000 | 78061 | 68886 | -9175 | -11.75 | 18.25 | 67575 | 21741 | 35228 | 94000 | 0.32 | 10.57 |
| Libya | 5724 | 27485 | 33272 | 30689 | 28697 | -1992 | -6.49 | 49.63 | 25173 | 11091 | 5724 | 33272 | 0.44 | 4.40 |
| Nigeria | 27730 | 41378 | 53457 | 46298 | 47322 | 1025 | 2.21 | 14.30 | 43237 | 9675 | 27730 | 53457 | 0.22 | 7.26 |
| Saudi Arabia | 119359 | 202166 | 327007 | 247386 | 223372 | -24014 | -9.71 | 16.96 | 223858 | 75140 | 119359 | 327007 | 0.34 | 34.26 |
| United Arab Emirates | 31341 | 54595 | 94677 | 78161 | 77655 | -506 | -0.65 | 25.46 | 67286 | 24643 | 31341 | 94677 | 0.37 | 11.91 |
| Venezuela | 5201 | 10154 | 15381 | 13088 | 18372 | 5284 | 40.37 | 37.09 | 12439 | 5047 | 5201 | 18372 | 0.41 | 2.82 |
| Total OPEC | 297983 | 538944 | 828607 | 678149 | 651990 | -26159 | -3.86 | 21.62 | 599135 | 197490 | 297983 | 828607 | 0.33 | 100.00 |