総人口の割合として、0歳から14歳までの人口。人口は、人口の事実上の定義に基づいています。
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| イラク | 43.6 | 45.2 | 43.7 | 42.6 | 41.2 | 41.1 | 41.0 | 40.8 | 40.6 | 40.4 | 40.1 | 39.7 | 39.3 | 38.9 | 38.5 | 38.1 | 37.6 | 37.1 | 36.6 |
| エジプト | 41.4 | 40.9 | 36.9 | 34.6 | 33.9 | 33.9 | 33.9 | 33.9 | 34.0 | 34.1 | 34.1 | 34.1 | 34.0 | 33.7 | 33.5 | 33.2 | 32.9 | 32.4 | 32.0 |
| アルジェリア | 47.0 | 42.0 | 33.7 | 29.0 | 27.5 | 27.5 | 27.7 | 28.1 | 28.6 | 29.0 | 29.5 | 29.9 | 30.3 | 30.6 | 30.8 | 30.9 | 30.8 | 30.6 | 30.3 |
| シリアアラブ共和国 | 48.2 | 46.6 | 41.9 | 39.1 | 36.1 | 36.1 | 36.5 | 38.0 | 39.8 | 40.6 | 40.2 | 39.3 | 37.9 | 36.1 | 34.6 | 33.4 | 31.9 | 30.3 | 29.2 |
| リビア | 50.9 | 41.7 | 32.0 | 31.1 | 29.9 | 30.7 | 31.5 | 31.3 | 31.1 | 31.0 | 30.9 | 30.6 | 30.3 | 29.9 | 29.5 | 29.0 | 28.5 | 28.0 | 27.4 |
| チュニジア | 44.7 | 37.6 | 30.2 | 26.0 | 24.2 | 24.2 | 24.2 | 24.4 | 24.6 | 24.7 | 24.9 | 25.0 | 25.1 | 25.1 | 25.1 | 25.0 | 24.7 | 24.4 | 24.0 |
| サウジアラビア | 45.5 | 43.0 | 38.3 | 33.2 | 27.6 | 26.9 | 26.3 | 25.8 | 25.4 | 25.1 | 24.9 | 25.2 | 25.7 | 25.8 | 25.5 | 25.2 | 24.6 | 24.1 | 23.8 |
| バーレーン | 45.3 | 33.6 | 29.8 | 23.7 | 20.4 | 20.4 | 19.9 | 19.8 | 20.3 | 20.5 | 20.1 | 19.8 | 19.8 | 20.1 | 19.9 | 19.3 | 19.1 | 19.0 | 18.7 |
| クウェート | 43.6 | 36.0 | 29.4 | 24.9 | 23.0 | 22.5 | 22.1 | 22.0 | 21.9 | 21.8 | 21.6 | 21.4 | 21.1 | 20.8 | 20.6 | 20.1 | 19.2 | 18.6 | 18.2 |
| アラブ首長国連邦 | 29.8 | 29.6 | 20.8 | 17.5 | 16.9 | 16.8 | 16.8 | 16.8 | 16.8 | 16.8 | 16.8 | 16.8 | 16.7 | 16.6 | 16.6 | 16.5 | 16.5 | 16.3 | 16.1 |
| カタール | 35.1 | 27.0 | 23.5 | 22.5 | 13.9 | 14.2 | 14.5 | 14.6 | 14.4 | 13.9 | 13.7 | 13.7 | 14.0 | 14.6 | 15.4 | 15.5 | 15.2 | 15.2 | 15.1 |