Life expectancy at birth indicates the number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Papua New Guinea | 52.1 | 59.8 | 61.6 | 61.9 | 63.1 | 63.4 | 63.6 | 63.9 | 64.2 | 64.5 | 64.7 | 64.9 | 65.1 | 65.3 | 65.1 | 64.4 | 65.3 | 66.1 |
| Solomon Islands | 56.1 | 66.2 | 67.1 | 67.8 | 68.7 | 68.8 | 69.0 | 69.0 | 69.0 | 69.3 | 69.5 | 69.7 | 69.8 | 70.0 | 69.3 | 68.9 | 70.4 | 70.5 |
| Timor-Leste | 37.4 | 45.2 | 58.1 | 61.3 | 63.7 | 64.0 | 64.4 | 64.7 | 65.0 | 65.3 | 65.6 | 65.9 | 66.2 | 66.5 | 66.9 | 66.2 | 67.4 | 67.7 |
| Haiti | 47.3 | 53.2 | 58.2 | 60.3 | 45.6 | 61.6 | 62.3 | 62.6 | 63.0 | 63.2 | 63.3 | 63.8 | 64.1 | 64.3 | 63.8 | 62.6 | 63.9 | 64.9 |
| Yemen, Rep. | 40.6 | 58.5 | 62.8 | 65.4 | 67.2 | 67.4 | 67.6 | 68.0 | 68.0 | 66.8 | 67.1 | 67.1 | 65.9 | 66.6 | 66.4 | 66.0 | 68.0 | 69.3 |
| Afghanistan | 37.5 | 45.1 | 55.0 | 58.2 | 60.7 | 61.3 | 61.7 | 62.2 | 62.3 | 62.3 | 62.6 | 62.4 | 62.4 | 62.9 | 61.5 | 60.4 | 65.6 | 66.0 |
| Burundi | 43.2 | 45.2 | 47.6 | 53.1 | 57.1 | 57.8 | 58.5 | 59.2 | 59.8 | 60.1 | 60.8 | 61.3 | 61.8 | 62.2 | 62.6 | 62.1 | 62.9 | 63.7 |
| Central African Republic | 45.2 | 49.9 | 46.6 | 48.2 | 46.9 | 50.1 | 51.3 | 49.5 | 40.3 | 51.9 | 51.0 | 45.2 | 52.3 | 31.5 | 50.6 | 40.3 | 18.8 | 57.4 |
| Chad | 41.4 | 45.1 | 47.9 | 48.9 | 50.1 | 50.4 | 50.8 | 51.1 | 51.1 | 51.3 | 51.6 | 51.9 | 52.4 | 53.0 | 53.1 | 53.1 | 54.5 | 55.1 |
| Comoros | 45.2 | 55.6 | 58.9 | 60.9 | 62.7 | 63.1 | 63.5 | 63.8 | 64.1 | 64.5 | 64.8 | 65.1 | 65.4 | 65.7 | 65.8 | 65.2 | 66.5 | 66.8 |
| Cote d'Ivoire | 44.0 | 52.8 | 51.4 | 52.4 | 55.3 | 56.0 | 56.6 | 57.1 | 57.8 | 58.3 | 58.8 | 59.3 | 59.8 | 60.3 | 60.1 | 60.3 | 61.6 | 61.9 |
| Congo, Dem. Rep. | 43.3 | 48.5 | 51.9 | 54.0 | 56.4 | 56.9 | 57.4 | 57.8 | 58.2 | 58.7 | 59.1 | 59.5 | 59.9 | 60.2 | 60.4 | 60.0 | 61.0 | 61.9 |
| Guinea | 39.1 | 47.3 | 52.4 | 54.4 | 56.4 | 56.8 | 57.1 | 57.5 | 57.6 | 57.9 | 58.5 | 58.7 | 59.0 | 59.4 | 59.4 | 59.4 | 60.4 | 60.7 |
| Guinea-Bissau | 37.3 | 46.9 | 50.6 | 52.9 | 57.0 | 57.7 | 58.3 | 58.9 | 59.5 | 60.1 | 60.6 | 61.1 | 61.7 | 62.2 | 61.3 | 61.7 | 63.6 | 64.1 |
| Liberia | 40.4 | 37.6 | 51.9 | 56.8 | 59.4 | 59.5 | 59.8 | 60.0 | 59.2 | 59.2 | 60.5 | 60.8 | 61.0 | 61.2 | 61.3 | 61.2 | 61.9 | 62.2 |
| Sao Tome and Principe | 56.3 | 60.7 | 61.2 | 62.4 | 63.9 | 64.1 | 64.5 | 64.9 | 65.5 | 66.0 | 66.6 | 67.1 | 67.6 | 68.0 | 68.0 | 68.0 | 69.2 | 69.7 |
| Sierra Leone | 38.6 | 43.7 | 44.8 | 48.3 | 51.9 | 52.6 | 53.2 | 54.1 | 54.3 | 55.5 | 56.9 | 57.8 | 59.1 | 59.6 | 59.7 | 60.3 | 61.3 | 61.8 |
| Somalia | 45.6 | 46.9 | 50.7 | 50.9 | 48.9 | 32.5 | 49.1 | 54.0 | 54.4 | 55.1 | 55.3 | 52.2 | 54.8 | 57.2 | 57.1 | 55.7 | 53.9 | 58.8 |
| South Sudan | 25.6 | 28.6 | 47.6 | 54.0 | 57.5 | 57.7 | 58.2 | 58.3 | 45.6 | 39.8 | 36.7 | 35.4 | 51.9 | 58.1 | 57.6 | 57.0 | 57.2 | 57.6 |
| Togo | 46.8 | 54.6 | 54.6 | 55.9 | 57.2 | 57.6 | 57.9 | 58.3 | 58.8 | 59.2 | 59.7 | 60.1 | 60.6 | 61.1 | 61.1 | 61.3 | 62.3 | 62.7 |