乳児死亡率は、ある年の出生1000人当たりの、生後1年に到達する前に死んだ乳児の数です。
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ベナン | 138.2 | 97.9 | 79.7 | 70.9 | 63.7 | 62.4 | 61.0 | 59.7 | 58.3 | 57.0 | 55.7 | 54.4 | 53.1 | 51.8 | 50.4 | 49.1 | 47.7 | 46.4 |
| ブルキナファソ | 160.9 | 102.9 | 92.4 | 80.3 | 65.7 | 63.5 | 61.6 | 59.8 | 58.0 | 56.3 | 54.7 | 53.1 | 51.6 | 50.2 | 48.7 | 47.3 | 46.1 | 44.8 |
| カーボベルデ | 85.9 | 42.1 | 29.4 | 23.9 | 23.8 | 22.9 | 21.8 | 20.5 | 19.0 | 17.6 | 16.2 | 15.0 | 14.0 | 13.2 | 12.5 | 12.0 | 11.5 | 11.0 |
| コートジボワール | 160.7 | 100.6 | 91.4 | 80.2 | 68.8 | 67.0 | 64.9 | 62.8 | 60.8 | 59.0 | 57.4 | 55.8 | 54.1 | 52.3 | 50.9 | 49.2 | 47.9 | 46.6 |
| ガーナ | 114.6 | 72.6 | 61.8 | 53.4 | 45.7 | 43.9 | 42.1 | 40.5 | 39.1 | 37.7 | 36.4 | 35.1 | 33.9 | 32.6 | 31.4 | 30.2 | 29.2 | 28.2 |
| ギニアビサウ | 123.3 | 100.3 | 85.0 | 67.8 | 64.6 | 61.8 | 59.4 | 57.2 | 55.3 | 53.4 | 51.7 | 50.0 | 48.3 | 47.0 | 45.7 | 44.3 | 43.1 | |
| リベリア | 186.8 | 169.6 | 123.9 | 87.9 | 70.8 | 69.0 | 67.3 | 65.7 | 66.5 | 63.3 | 61.8 | 60.6 | 59.4 | 58.2 | 56.8 | 55.4 | 53.9 | 52.6 |
| マリ | 191.3 | 124.2 | 102.8 | 87.8 | 77.3 | 75.5 | 73.9 | 72.3 | 70.8 | 69.4 | 68.0 | 66.6 | 65.1 | 63.7 | 62.1 | 60.5 | 59.0 | 57.6 |
| ニジェール | 150.7 | 146.6 | 107.7 | 84.8 | 70.9 | 69.9 | 69.4 | 69.2 | 69.1 | 69.3 | 69.3 | 69.4 | 69.4 | 69.5 | 69.4 | 69.0 | 68.3 | 67.4 |
| ナイジェリア | 148.4 | 105.5 | 97.1 | 83.7 | 74.0 | 73.0 | 72.0 | 71.4 | 70.8 | 70.2 | 69.5 | 68.6 | 67.4 | 66.1 | 64.7 | 63.2 | 61.6 | 60.1 |
| セネガル | 121.6 | 72.9 | 73.8 | 53.5 | 41.5 | 40.3 | 39.3 | 38.5 | 37.9 | 37.3 | 36.9 | 36.4 | 35.7 | 34.9 | 33.9 | 32.7 | 31.4 | 30.2 |
| シエラレオネ | 152.2 | 135.5 | 123.4 | 109.3 | 90.8 | 87.0 | 83.4 | 80.0 | 77.7 | 76.9 | 71.3 | 68.8 | 66.3 | 64.1 | 61.9 | 60.0 | 58.0 | 56.2 |
| ガンビア | 144.6 | 99.1 | 73.2 | 61.6 | 51.7 | 50.0 | 48.4 | 46.8 | 45.2 | 43.8 | 42.3 | 41.0 | 39.7 | 38.4 | 37.2 | 36.0 | 34.9 | 33.8 |
| トーゴ | 120.4 | 85.2 | 70.8 | 61.0 | 53.0 | 51.4 | 49.8 | 48.3 | 46.8 | 45.4 | 44.0 | 42.7 | 41.4 | 40.2 | 39.1 | 38.0 | 36.9 | 35.9 |