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 | 54.7 | 62.5 | 63.8 | 64.0 | 65.5 | 65.9 | 66.3 | 66.8 | 67.1 | 67.5 | 67.8 | 68.0 | 68.2 | 68.4 | 68.4 | 67.4 | 68.3 | 69.1 |
| Solomon Islands | 57.8 | 68.7 | 69.7 | 70.1 | 70.7 | 70.8 | 70.8 | 70.8 | 70.7 | 70.9 | 71.0 | 71.1 | 71.2 | 71.4 | 71.0 | 70.3 | 71.8 | 72.0 |
| Timor-Leste | 38.9 | 46.6 | 59.6 | 62.9 | 65.3 | 65.7 | 66.1 | 66.4 | 66.7 | 67.0 | 67.3 | 67.6 | 68.0 | 68.3 | 68.9 | 68.0 | 69.1 | 69.4 |
| Haiti | 49.0 | 54.4 | 59.9 | 62.5 | 45.7 | 64.0 | 64.8 | 65.2 | 65.6 | 65.9 | 66.1 | 66.7 | 67.0 | 67.3 | 67.0 | 65.7 | 67.2 | 68.3 |
| Yemen | 43.1 | 60.3 | 64.6 | 67.2 | 69.1 | 69.4 | 69.6 | 69.9 | 70.0 | 69.7 | 70.0 | 70.1 | 69.9 | 70.1 | 69.8 | 69.2 | 70.3 | 71.4 |
| Afghanistan | 38.3 | 47.7 | 56.6 | 59.6 | 62.3 | 62.9 | 63.3 | 63.8 | 64.0 | 64.2 | 64.6 | 65.6 | 65.9 | 66.1 | 64.7 | 64.1 | 67.2 | 67.5 |
| Burundi | 44.5 | 47.0 | 49.9 | 54.6 | 58.5 | 59.3 | 60.0 | 60.7 | 61.3 | 61.9 | 62.5 | 63.1 | 63.6 | 64.0 | 64.6 | 64.1 | 64.9 | 65.7 |
| Central African Republic | 46.2 | 51.7 | 47.6 | 49.0 | 49.4 | 51.8 | 52.8 | 52.2 | 45.7 | 54.2 | 53.9 | 50.1 | 55.2 | 38.8 | 54.0 | 46.0 | 25.6 | 59.3 |
| Chad | 43.8 | 48.8 | 49.2 | 49.9 | 51.1 | 51.4 | 51.8 | 52.1 | 52.3 | 52.5 | 52.8 | 53.3 | 53.9 | 54.6 | 54.9 | 55.0 | 56.5 | 57.0 |
| Comoros | 46.8 | 56.5 | 60.6 | 62.6 | 64.4 | 64.8 | 65.2 | 65.6 | 66.0 | 66.3 | 66.7 | 67.1 | 67.4 | 67.7 | 68.0 | 67.3 | 68.6 | 68.9 |
| Côte d'Ivoire | 46.1 | 55.2 | 52.5 | 53.6 | 56.9 | 57.7 | 58.3 | 58.9 | 59.5 | 60.0 | 60.7 | 61.2 | 61.8 | 62.3 | 62.3 | 62.3 | 63.7 | 64.1 |
| Democratic Republic of the Congo | 44.5 | 49.7 | 53.8 | 55.6 | 58.0 | 58.5 | 59.0 | 59.5 | 59.9 | 60.4 | 60.9 | 61.3 | 61.8 | 62.2 | 62.5 | 62.1 | 63.1 | 64.0 |
| Guinea | 40.5 | 48.0 | 53.0 | 55.2 | 57.6 | 58.0 | 58.4 | 58.8 | 58.9 | 59.1 | 59.6 | 59.9 | 60.2 | 60.5 | 60.7 | 60.5 | 61.6 | 61.9 |
| Guinea Bissau | 41.8 | 48.9 | 52.7 | 54.9 | 58.9 | 59.6 | 60.2 | 60.9 | 61.5 | 62.1 | 62.7 | 63.2 | 63.8 | 64.3 | 63.7 | 63.9 | 65.9 | 66.4 |
| Liberia | 41.5 | 44.7 | 53.5 | 58.2 | 60.7 | 60.8 | 61.0 | 61.2 | 60.4 | 60.4 | 61.6 | 61.9 | 62.2 | 62.4 | 62.6 | 62.4 | 63.2 | 63.4 |
| Sao Tome and Principe | 58.7 | 62.6 | 63.3 | 64.6 | 66.5 | 66.9 | 67.4 | 68.0 | 68.6 | 69.3 | 70.0 | 70.6 | 71.3 | 71.9 | 72.0 | 72.0 | 73.3 | 73.7 |
| Sierra Leone | 39.9 | 45.1 | 46.0 | 49.2 | 52.9 | 53.5 | 54.1 | 55.0 | 55.1 | 56.3 | 57.9 | 58.8 | 60.3 | 60.9 | 61.2 | 61.7 | 63.0 | 63.5 |
| Somalia | 47.1 | 51.2 | 52.2 | 52.4 | 50.8 | 33.7 | 51.0 | 56.0 | 56.6 | 57.1 | 57.6 | 54.3 | 56.9 | 59.3 | 59.2 | 57.8 | 56.2 | 61.4 |
| South Sudan | 29.7 | 31.0 | 48.5 | 54.5 | 58.5 | 59.0 | 59.5 | 59.7 | 48.8 | 42.9 | 40.0 | 38.7 | 54.7 | 60.5 | 60.5 | 59.7 | 60.1 | 60.6 |
| Togo | 48.4 | 56.0 | 55.3 | 56.5 | 57.5 | 57.9 | 58.3 | 58.6 | 59.0 | 59.5 | 59.9 | 60.4 | 60.8 | 61.2 | 61.4 | 61.6 | 62.5 | 62.9 |