| Country/area | 1980-1985 | 2010-2015 | 2025-2030 | 2045-2050 |
| World | 70.9 | 36.8 | 27.4 | 18.3 |
| Algeria | 75.4 | 26.4 | 19.6 | 14.3 |
| Bahrain | 23.1 | 6.9 | 4.8 | 3.3 |
| Comoros | 105.6 | 67.2 | 54.9 | 42.7 |
| Djibouti | 87.4 | 55.3 | 38.7 | 25.5 |
| Egypt | 106.9 | 18.9 | 11.4 | 7.3 |
| Iraq | 43.3 | 28.1 | 19.1 | 12.3 |
| Jordan | 42.7 | 17.1 | 11.0 | 6.8 |
| Kuwait | 23.9 | 8.6 | 6.1 | 4.2 |
| Lebanon | 35.0 | 8.3 | 5.5 | 4.0 |
| Libya | 51.0 | 13.8 | 8.3 | 5.9 |
| Mauritania | 89.2 | 71.7 | 59.3 | 47.2 |
| Morocco | 83.9 | 26.3 | 15.9 | 9.7 |
| Oman | 59.4 | 7.3 | 4.8 | 3.2 |
| Palestine | 53.0 | 19.2 | 13.9 | 10.4 |
| Qatar | 23.2 | 6.5 | 4.8 | 3.5 |
| Saudi Arabia | 56.2 | 11.2 | 6.5 | 3.8 |
| Somalia | 127.8 | 79.5 | 59.0 | 41.1 |
| Sudan | 87.0 | 55.0 | 44.8 | 34.3 |
| Syria | 42.9 | 17.7 | 10.0 | 5.5 |
| Tunisia | 65.8 | 15.5 | 9.5 | 6.3 |
| UAE | 29.6 | 5.7 | 3.8 | 2.4 |
| Yemen | 117.0 | 56.2 | 44.4 | 32.0 |