子どもの予防接種は、12か月前、または調査の前に、予防接種を受けた12－23か月の子どもたちの割合を測定します。子どもは、ワクチンの予防接種を3回受けた後に、ジフテリア、百日咳、および破傷風（DPT）に対する予防接種を適切に受けていると見なされます。
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| パプアニューギニア | 68.0 | 59.0 | 72.0 | 55.0 | 58.0 | 57.0 | 60.0 | 52.0 | 49.0 | 46.0 | 36.0 | 35.0 | 35.0 | 40.0 | 32.0 | 37.0 | 35.0 |
| ソロモン諸島 | 77.0 | 86.0 | 89.0 | 83.0 | 91.0 | 92.0 | 83.0 | 77.0 | 87.0 | 94.0 | 83.0 | 85.0 | 94.0 | 94.0 | 87.0 | 89.0 | 84.0 |
| ハイチ | 41.0 | 43.0 | 60.0 | 67.0 | 68.0 | 66.0 | 65.0 | 63.0 | 64.0 | 64.0 | 64.0 | 64.0 | 51.0 | 51.0 | 51.0 | 51.0 | 51.0 |
| イエメン | 84.0 | 74.0 | 79.0 | 76.0 | 69.0 | 67.0 | 71.0 | 70.0 | 63.0 | 63.0 | 59.0 | 54.0 | 60.0 | 57.0 | 56.0 | 58.0 | 46.0 |
| アフガニスタン | 25.0 | 24.0 | 58.0 | 66.0 | 68.0 | 66.0 | 64.0 | 63.0 | 64.0 | 65.0 | 63.0 | 67.0 | 65.0 | 61.0 | 55.0 | 58.0 | 60.0 |
| ブルンジ | 86.0 | 80.0 | 87.0 | 96.0 | 96.0 | 96.0 | 96.0 | 95.0 | 94.0 | 94.0 | 91.0 | 90.0 | 93.0 | 93.0 | 94.0 | 91.0 | 89.0 |
| 中央アフリカ共和国 | 82.0 | 37.0 | 54.0 | 45.0 | 47.0 | 47.0 | 23.0 | 45.0 | 43.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 |
| チャド | 20.0 | 37.0 | 25.0 | 39.0 | 33.0 | 40.0 | 39.0 | 36.0 | 42.0 | 41.0 | 41.0 | 46.0 | 50.0 | 52.0 | 58.0 | 60.0 | 67.0 |
| コモロ | 94.0 | 70.0 | 68.0 | 74.0 | 83.0 | 86.0 | 83.0 | 80.0 | 80.0 | 75.0 | 79.0 | 77.0 | 78.0 | 74.0 | 72.0 | 78.0 | 75.0 |
| コートジボワール | 54.0 | 65.0 | 76.0 | 78.0 | 61.0 | 82.0 | 75.0 | 73.0 | 79.0 | 87.0 | 83.0 | 83.0 | 79.0 | 72.0 | 73.0 | 73.0 | 79.0 |
| コンゴ民主共和国 | 35.0 | 40.0 | 60.0 | 60.0 | 70.0 | 71.0 | 71.0 | 73.0 | 70.0 | 70.0 | 71.0 | 71.0 | 73.0 | 70.0 | 65.0 | 65.0 | 60.0 |
| ギニア | 17.0 | 46.0 | 59.0 | 64.0 | 63.0 | 57.0 | 50.0 | 44.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 |
| ギニアビサウ | 61.0 | 49.0 | 68.0 | 83.0 | 86.0 | 87.0 | 87.0 | 86.0 | 86.0 | 85.0 | 79.0 | 82.0 | 78.0 | 74.0 | 67.0 | 74.0 | 74.0 |
| サントメプリンシペ | 92.0 | 82.0 | 97.0 | 98.0 | 96.0 | 96.0 | 97.0 | 95.0 | 96.0 | 96.0 | 95.0 | 95.0 | 95.0 | 96.0 | 97.0 | 92.0 | 86.0 |
| ソマリア | 19.0 | 33.0 | 35.0 | 45.0 | 41.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 |
| トーゴ | 77.0 | 64.0 | 82.0 | 83.0 | 85.0 | 84.0 | 84.0 | 84.0 | 82.0 | 82.0 | 83.0 | 81.0 | 84.0 | 82.0 | 83.0 | 82.0 | 85.0 |
| リベリア | 46.0 | 60.0 | 70.0 | 77.0 | 80.0 | 80.0 | 63.0 | 65.0 | 73.0 | 80.0 | 80.0 | 70.0 | 65.0 | 66.0 | 78.0 | 82.0 | |
| シエラレオネ | 44.0 | 65.0 | 86.0 | 89.0 | 91.0 | 92.0 | 83.0 | 86.0 | 84.0 | 90.0 | 93.0 | 95.0 | 91.0 | 92.0 | 91.0 | 91.0 | |
| 東ティモール | 55.0 | 72.0 | 67.0 | 83.0 | 82.0 | 77.0 | 76.0 | 79.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | ||
| 南スーダン | 61.0 | 63.0 | 53.0 | 50.0 | 46.0 | 45.0 | 52.0 | 59.0 | 61.0 | 67.0 | 69.0 | 73.0 | 73.0 |