Infant mortality rate is the number of infants dying before reaching one year of age, per 1,000 live births in a given year.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Botswana | 94.6 | 38.9 | 42.5 | 43.0 | 50.5 | 52.0 | 48.8 | 47.6 | 48.4 | 47.2 | 46.7 | 44.3 | 43.2 | 42.3 | 41.5 | 40.3 | 39.2 | 38.2 |
| Lesotho | 139.9 | 74.5 | 78.0 | 81.4 | 76.1 | 73.3 | 73.1 | 72.8 | 71.2 | 69.3 | 68.3 | 68.2 | 64.9 | 63.3 | 61.2 | 59.8 | 57.6 | 55.4 |
| Namibia | 59.3 | 56.1 | 45.9 | 38.4 | 42.7 | 44.4 | 48.0 | 47.6 | 46.9 | 47.5 | 47.6 | 46.3 | 45.7 | 44.6 | 43.1 | 41.6 | 39.7 | 38.4 |
| South Africa | 52.8 | 46.9 | 47.9 | 35.4 | 33.9 | 33.0 | 32.0 | 30.9 | 29.7 | 28.4 | 27.3 | 26.3 | 25.6 | 25.0 | 24.7 | 24.5 | 24.4 | |
| इस्वातिनी | 116.8 | 56.6 | 73.0 | 74.7 | 62.0 | 57.8 | 58.0 | 57.4 | 57.9 | 54.9 | 52.0 | 51.5 | 48.5 | 48.2 | 47.1 | 45.8 | 44.6 | 43.5 |