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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Benin | 43.0 | 53.0 | 56.6 | 57.7 | 58.4 | 58.5 | 58.6 | 58.9 | 59.0 | 59.1 | 59.3 | 59.5 | 59.7 | 59.9 | 60.2 | 59.6 | 60.5 | 60.8 |
| Burkina Faso | 39.5 | 49.3 | 50.8 | 53.3 | 56.3 | 57.0 | 57.5 | 57.9 | 58.3 | 58.8 | 59.2 | 59.6 | 60.0 | 60.2 | 60.5 | 60.0 | 60.7 | 61.1 |
| केप वर्दे | 56.6 | 63.9 | 68.1 | 70.9 | 72.5 | 72.9 | 73.3 | 73.5 | 73.8 | 74.1 | 74.4 | 74.7 | 74.8 | 75.4 | 73.8 | 74.4 | 75.9 | 76.1 |
| Côte 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 |
| Ghana | 47.9 | 55.4 | 58.1 | 59.6 | 61.3 | 61.6 | 62.0 | 62.4 | 62.8 | 63.2 | 63.5 | 63.8 | 64.1 | 64.5 | 64.3 | 64.3 | 65.2 | 65.5 |
| 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 |
| Mali | 33.4 | 46.5 | 50.6 | 53.8 | 56.0 | 56.4 | 56.7 | 57.1 | 57.5 | 57.9 | 58.3 | 58.6 | 58.9 | 59.2 | 58.9 | 59.1 | 60.0 | 60.4 |
| Niger | 35.9 | 41.7 | 49.2 | 53.3 | 57.1 | 57.6 | 58.0 | 58.4 | 58.7 | 58.9 | 59.2 | 59.5 | 59.8 | 60.0 | 59.9 | 59.5 | 60.4 | 61.2 |
| Nigeria | 40.0 | 45.7 | 47.1 | 49.5 | 51.3 | 51.5 | 51.7 | 51.8 | 51.9 | 51.9 | 52.2 | 52.4 | 52.7 | 53.0 | 53.1 | 53.5 | 54.1 | 54.5 |
| Senegal | 40.8 | 56.7 | 57.6 | 61.0 | 64.2 | 64.8 | 65.2 | 65.6 | 66.0 | 66.5 | 66.7 | 67.1 | 67.4 | 67.7 | 67.5 | 66.9 | 67.8 | 68.7 |
| 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 |
| Gambia | 39.5 | 51.3 | 56.9 | 59.1 | 61.2 | 61.6 | 61.9 | 62.3 | 62.6 | 63.0 | 63.4 | 63.7 | 64.0 | 64.4 | 64.4 | 63.8 | 64.9 | 65.9 |
| 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 |