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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| オーストラリア | 17.9 | 7.6 | 5.1 | 4.8 | 4.0 | 3.8 | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.1 |
| 中国 | 84.3 | 43.3 | 30.0 | 19.4 | 12.5 | 11.5 | 10.5 | 9.7 | 8.9 | 8.2 | 7.6 | 7.0 | 6.4 | 6.0 | 5.5 | 5.1 | 4.8 | 4.5 |
| フィジー | 43.9 | 21.4 | 16.6 | 17.3 | 16.8 | 16.4 | 16.1 | 15.9 | 16.0 | 16.3 | 17.0 | 18.0 | 19.2 | 20.6 | 21.9 | 22.9 | 23.5 | 23.8 |
| インドネシア | 111.0 | 64.3 | 41.3 | 33.2 | 27.1 | 26.1 | 25.1 | 24.1 | 23.2 | 22.3 | 21.5 | 20.7 | 19.9 | 19.3 | 18.6 | 18.0 | 17.5 | 17.0 |
| 日本 | 13.4 | 4.6 | 3.3 | 2.7 | 2.4 | 2.3 | 2.2 | 2.2 | 2.1 | 2.0 | 2.0 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| キリバス | 104.5 | 68.7 | 49.1 | 44.4 | 42.1 | 41.8 | 41.7 | 41.7 | 41.9 | 42.2 | 42.6 | 42.8 | 42.8 | 42.4 | 41.9 | 41.3 | 40.6 | 39.7 |
| 大韓民国 | 45.6 | 12.1 | 5.8 | 4.4 | 3.3 | 3.2 | 3.1 | 3.0 | 2.9 | 2.9 | 2.8 | 2.7 | 2.7 | 2.6 | 2.5 | 2.4 | 2.4 | 2.3 |
| マレーシア | 41.4 | 12.7 | 7.7 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 |
| マーシャル諸島 | 58.7 | 37.0 | 33.7 | 33.3 | 32.0 | 31.7 | 31.2 | 30.7 | 30.0 | 29.3 | 28.7 | 27.9 | 27.2 | 26.5 | 25.8 | 25.0 | 24.3 | 23.5 |
| ミャンマー | 123.0 | 90.6 | 73.9 | 65.0 | 54.2 | 52.1 | 50.0 | 48.1 | 46.3 | 44.6 | 43.1 | 41.6 | 40.2 | 38.9 | 37.6 | 36.4 | 35.2 | 34.1 |
| ニュージーランド | 16.9 | 9.1 | 6.0 | 5.5 | 5.2 | 5.1 | 5.0 | 4.9 | 4.8 | 4.7 | 4.6 | 4.5 | 4.4 | 4.3 | 4.2 | 4.2 | 4.1 | 4.0 |
| パプアニューギニア | 106.2 | 65.1 | 56.0 | 51.4 | 45.9 | 44.8 | 43.7 | 42.6 | 41.5 | 40.4 | 39.3 | 38.2 | 37.1 | 36.1 | 35.1 | 34.1 | 33.0 | 32.0 |
| フィリピン | 52.5 | 38.6 | 27.3 | 25.0 | 23.1 | 22.8 | 22.6 | 22.4 | 22.3 | 22.2 | 22.3 | 22.4 | 22.6 | 22.7 | 22.8 | 22.7 | 22.4 | 22.1 |
| シンガポール | 21.8 | 6.1 | 3.0 | 2.3 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.2 | 2.1 | 2.1 | 2.0 | 1.9 | 1.9 | 1.8 | 1.7 |
| ソロモン諸島 | 71.9 | 28.5 | 23.2 | 22.3 | 21.1 | 20.8 | 20.5 | 20.2 | 19.9 | 19.6 | 19.4 | 19.1 | 18.7 | 18.3 | 17.9 | 17.5 | 17.0 | 16.5 |
| タイ | 78.5 | 31.1 | 18.5 | 14.8 | 12.2 | 11.7 | 11.3 | 11.0 | 10.6 | 10.3 | 10.0 | 9.6 | 9.4 | 9.1 | 8.8 | 8.5 | 8.3 | 8.0 |
| バヌアツ | 80.2 | 28.1 | 21.4 | 19.8 | 17.3 | 16.8 | 16.3 | 16.0 | 15.7 | 15.4 | 15.3 | 15.1 | 15.0 | 14.9 | 14.8 | 14.6 | 14.4 | 14.2 |
| トンガ | 39.3 | 18.0 | 13.8 | 12.0 | 10.6 | 10.4 | 10.2 | 10.0 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.9 | 8.7 | 8.4 | 8.2 | 8.0 |
| ベトナム | 63.7 | 37.2 | 21.7 | 18.1 | 16.5 | 16.3 | 16.2 | 16.0 | 15.8 | 15.6 | 15.4 | 15.2 | 15.0 | 14.9 | 14.7 | 14.5 | 14.3 | 14.0 |
| カザフスタン | 44.5 | 36.0 | 26.0 | 16.7 | 14.9 | 13.3 | 11.7 | 10.5 | 9.5 | 8.8 | 8.4 | 8.2 | 8.1 | 8.0 | 7.9 | 7.7 | 7.6 | |
| アフガニスタン | 223.1 | 144.5 | 110.1 | 93.7 | 76.9 | 74.0 | 71.3 | 68.7 | 66.4 | 64.2 | 62.3 | 60.4 | 58.6 | 56.9 | 55.3 | 53.6 | 52.0 | 50.4 |
| ブータン | 183.7 | 95.8 | 60.1 | 44.1 | 31.4 | 29.5 | 27.9 | 26.5 | 25.4 | 24.4 | 23.4 | 22.6 | 21.8 | 21.1 | 20.3 | 19.8 | 19.1 | 18.5 |
| インド | 135.8 | 84.3 | 66.3 | 56.7 | 46.7 | 44.6 | 42.5 | 40.5 | 38.5 | 36.6 | 34.7 | 33.0 | 31.3 | 29.7 | 28.2 | 26.8 | 25.6 | 24.5 |
| ネパール | 179.9 | 101.2 | 61.8 | 48.8 | 40.2 | 38.7 | 37.1 | 35.6 | 34.1 | 32.6 | 31.2 | 29.9 | 28.5 | 27.3 | 26.1 | 25.1 | 24.2 | 23.3 |
| バングラデシュ | 165.3 | 96.2 | 59.8 | 46.0 | 36.9 | 35.4 | 34.1 | 32.7 | 31.4 | 30.0 | 28.6 | 27.4 | 26.3 | 25.4 | 24.9 | 24.5 | 24.4 | 24.4 |
| モルディブ | 196.2 | 71.8 | 33.5 | 18.6 | 11.9 | 11.1 | 10.4 | 9.8 | 9.1 | 8.5 | 8.0 | 7.4 | 6.9 | 6.4 | 6.0 | 5.6 | 5.3 | 5.0 |
| パキスタン | 136.0 | 112.7 | 89.1 | 80.4 | 73.2 | 71.6 | 69.8 | 67.9 | 66.0 | 64.1 | 62.2 | 60.3 | 58.5 | 56.8 | 55.1 | 53.4 | 51.8 | 50.1 |
| スリランカ | 48.4 | 17.9 | 13.0 | 11.2 | 9.1 | 8.9 | 8.5 | 8.1 | 7.7 | 7.4 | 7.0 | 6.7 | 6.5 | 6.2 | 6.0 | 5.8 | 5.5 | 5.3 |
| カンボジア | 88.4 | 86.7 | 54.5 | 37.7 | 35.1 | 32.8 | 30.8 | 29.1 | 27.7 | 26.5 | 25.4 | 24.4 | 23.5 | 22.6 | 21.9 | 21.1 | 20.3 | |
| ツバル | 88.0 | 44.6 | 35.8 | 32.1 | 26.7 | 25.7 | 24.7 | 23.9 | 23.1 | 22.3 | 21.5 | 20.8 | 20.1 | 19.5 | 18.8 | 18.2 | 17.7 | 17.1 |
| アルメニア | 45.5 | 27.8 | 21.3 | 16.4 | 15.6 | 14.8 | 14.1 | 13.4 | 12.8 | 12.2 | 11.7 | 11.2 | 10.7 | 10.2 | 9.7 | 9.3 | 8.9 | |
| グルジア | 38.2 | 29.4 | 19.2 | 11.7 | 10.8 | 10.1 | 9.6 | 9.2 | 8.9 | 8.7 | 8.5 | 8.4 | 8.3 | 8.2 | 8.2 | 8.1 | 8.0 | |
| キルギスタン | 56.6 | 44.0 | 34.1 | 25.7 | 24.0 | 22.7 | 21.5 | 20.4 | 19.4 | 18.4 | 17.5 | 16.7 | 16.1 | 15.6 | 15.3 | 15.1 | 14.9 | |
| タジキスタン | 76.0 | 62.2 | 41.4 | 29.9 | 28.4 | 27.2 | 26.3 | 25.4 | 24.7 | 24.1 | 23.7 | 23.4 | 23.3 | 23.2 | 23.2 | 23.1 | 22.9 | |
| ブルネイ·ダルサラーム国 | 34.2 | 10.3 | 8.3 | 7.8 | 8.1 | 8.2 | 8.3 | 8.4 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.4 | 8.3 | 8.2 |
| アゼルバイジャン | 75.5 | 59.9 | 41.4 | 29.5 | 27.5 | 25.7 | 24.1 | 22.5 | 21.1 | 19.8 | 18.7 | 17.6 | 16.6 | 15.6 | 14.8 | 14.1 | 13.3 | |
| ラオス人民民主共和国 | 113.4 | 86.8 | 72.7 | 58.7 | 56.1 | 53.7 | 51.4 | 49.2 | 47.1 | 45.2 | 43.5 | 41.9 | 40.4 | 39.0 | 37.7 | 36.4 | 35.2 | |
| ミクロネシア（連邦） | 66.4 | 41.8 | 33.4 | 31.5 | 30.3 | 29.7 | 28.9 | 28.1 | 27.3 | 26.5 | 25.7 | 25.0 | 24.3 | 23.6 | 22.9 | 22.2 | 21.5 | 20.8 |
| モンゴル国 | 73.5 | 47.4 | 31.5 | 20.8 | 19.4 | 18.2 | 17.3 | 16.5 | 15.7 | 15.0 | 14.2 | 13.5 | 12.8 | 12.2 | 11.8 | 11.6 | 11.4 | |
| トルクメニスタン | 68.7 | 58.3 | 43.0 | 34.9 | 34.3 | 33.9 | 33.7 | 33.6 | 33.8 | 34.0 | 34.2 | 34.1 | 33.8 | 33.2 | 32.6 | 32.0 | 31.2 | |
| ウズベキスタン | 60.4 | 55.1 | 41.7 | 27.9 | 25.6 | 23.5 | 21.7 | 20.0 | 18.6 | 17.4 | 16.4 | 15.5 | 14.8 | 14.2 | 13.7 | 13.1 | 12.7 | |
| ナウル | 59.2 | 37.5 | 31.2 | 24.4 | 22.7 | 21.0 | 19.3 | 17.7 | 16.2 | 14.8 | 13.5 | 12.3 | 11.2 | 10.3 | 9.5 | 8.8 | 8.3 | |
| パラオ | 66.9 | 29.8 | 22.3 | 18.6 | 16.6 | 16.6 | 16.8 | 17.1 | 17.6 | 18.2 | 18.8 | 19.4 | 19.8 | 19.9 | 19.9 | 19.7 | 19.5 | 19.1 |
| サモア | 53.7 | 22.8 | 16.4 | 15.0 | 15.3 | 15.2 | 15.1 | 15.0 | 14.9 | 14.8 | 14.7 | 14.5 | 14.3 | 14.9 | 13.8 | 13.4 | 13.1 | 12.8 |
| 東ティモール | 164.4 | 83.9 | 65.3 | 52.1 | 50.0 | 48.2 | 46.6 | 45.1 | 43.8 | 42.6 | 41.6 | 40.7 | 39.9 | 38.9 | 37.9 | 36.9 | 35.9 |