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 | 50.3 | 57.7 | 59.8 | 60.1 | 61.2 | 61.4 | 61.5 | 61.7 | 61.9 | 62.1 | 62.3 | 62.5 | 62.7 | 62.9 | 62.6 | 61.9 | 62.9 | 63.7 |
| Solomon Islands | 54.8 | 64.3 | 65.0 | 65.8 | 66.9 | 67.1 | 67.4 | 67.5 | 67.5 | 67.9 | 68.2 | 68.4 | 68.5 | 68.8 | 67.8 | 67.6 | 69.1 | 69.2 |
| Timor-Leste | 36.0 | 43.9 | 56.7 | 59.7 | 62.1 | 62.4 | 62.8 | 63.1 | 63.5 | 63.8 | 64.0 | 64.3 | 64.6 | 64.8 | 65.1 | 64.6 | 65.7 | 66.1 |
| Haiti | 45.4 | 52.0 | 56.5 | 58.2 | 45.4 | 59.2 | 59.8 | 60.1 | 60.4 | 60.6 | 60.7 | 61.1 | 61.3 | 61.5 | 60.7 | 59.7 | 60.8 | 61.7 |
| Yemen | 38.2 | 56.7 | 60.9 | 63.5 | 65.3 | 65.4 | 65.6 | 66.0 | 66.0 | 64.0 | 64.4 | 64.3 | 62.3 | 63.3 | 63.3 | 63.1 | 65.7 | 67.2 |
| Afghanistan | 36.7 | 42.7 | 53.5 | 56.9 | 59.1 | 59.6 | 60.1 | 60.5 | 60.5 | 60.4 | 60.7 | 59.4 | 59.2 | 59.9 | 58.5 | 57.1 | 63.9 | 64.5 |
| Burundi | 41.8 | 43.4 | 45.3 | 51.5 | 55.6 | 56.3 | 57.0 | 57.6 | 58.2 | 58.3 | 59.0 | 59.5 | 60.0 | 60.3 | 60.5 | 60.1 | 60.8 | 61.6 |
| Central African Republic | 44.1 | 48.3 | 45.7 | 47.5 | 44.5 | 48.4 | 49.9 | 46.9 | 35.7 | 49.7 | 48.2 | 40.9 | 49.4 | 26.4 | 47.2 | 35.3 | 15.4 | 55.3 |
| Chad | 39.1 | 41.6 | 46.7 | 47.9 | 49.1 | 49.4 | 49.8 | 50.0 | 50.0 | 50.1 | 50.4 | 50.5 | 51.0 | 51.4 | 51.3 | 51.4 | 52.7 | 53.2 |
| Comoros | 43.7 | 54.9 | 57.4 | 59.3 | 61.2 | 61.5 | 61.8 | 62.2 | 62.4 | 62.7 | 63.0 | 63.3 | 63.6 | 63.8 | 63.7 | 63.3 | 64.5 | 64.8 |
| Côte d'Ivoire | 42.2 | 50.7 | 50.3 | 51.4 | 53.8 | 54.4 | 55.0 | 55.5 | 56.3 | 56.7 | 57.2 | 57.6 | 58.1 | 58.5 | 58.2 | 58.5 | 59.6 | 60.0 |
| Democratic Republic of the Congo | 42.1 | 47.4 | 50.0 | 52.4 | 54.8 | 55.3 | 55.7 | 56.1 | 56.5 | 56.9 | 57.3 | 57.7 | 58.1 | 58.4 | 58.4 | 58.0 | 58.9 | 59.8 |
| Guinea | 37.6 | 46.5 | 51.9 | 53.6 | 55.2 | 55.5 | 55.8 | 56.1 | 56.2 | 56.6 | 57.3 | 57.4 | 57.8 | 58.2 | 58.0 | 58.1 | 59.2 | 59.5 |
| Guinea Bissau | 33.3 | 44.9 | 48.4 | 50.9 | 55.0 | 55.6 | 56.2 | 56.8 | 57.3 | 57.9 | 58.4 | 58.9 | 59.4 | 59.9 | 58.9 | 59.3 | 61.2 | 61.7 |
| Liberia | 39.3 | 32.4 | 50.3 | 55.3 | 58.0 | 58.2 | 58.6 | 58.8 | 58.1 | 58.1 | 59.3 | 59.6 | 59.8 | 60.0 | 59.9 | 59.9 | 60.7 | 60.9 |
| Sao Tome and Principe | 54.1 | 58.9 | 59.2 | 60.4 | 61.4 | 61.6 | 61.9 | 62.2 | 62.7 | 63.1 | 63.6 | 64.0 | 64.4 | 64.8 | 64.6 | 64.7 | 65.8 | 66.2 |
| Sierra Leone | 37.3 | 42.4 | 43.7 | 47.4 | 50.9 | 51.7 | 52.2 | 53.1 | 53.4 | 54.5 | 56.0 | 56.7 | 57.8 | 58.3 | 58.2 | 58.8 | 59.5 | 60.1 |
| Somalia | 44.2 | 43.1 | 49.3 | 49.4 | 47.1 | 31.3 | 47.3 | 52.1 | 52.4 | 53.0 | 53.1 | 50.2 | 52.7 | 55.2 | 55.1 | 53.7 | 51.8 | 56.4 |
| South Sudan | 22.3 | 26.4 | 46.5 | 53.4 | 56.4 | 56.3 | 56.9 | 56.8 | 42.7 | 36.9 | 33.8 | 32.4 | 49.2 | 55.7 | 54.8 | 54.4 | 54.3 | 54.6 |
| Togo | 45.1 | 53.1 | 53.8 | 55.3 | 56.9 | 57.3 | 57.6 | 58.0 | 58.5 | 58.9 | 59.4 | 59.9 | 60.4 | 60.9 | 60.8 | 61.1 | 62.1 | 62.5 |