Under-five mortality rate is the probability per 1,000 that a newborn baby will die before reaching age five, if subject to current age-specific mortality rates.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ecuador | 137.1 | 53.9 | 29.6 | 23.7 | 19.2 | 18.3 | 17.4 | 16.6 | 15.9 | 15.3 | 14.8 | 14.4 | 14.1 | 13.8 | 13.6 | 13.4 | 13.2 | 13.1 |
| Venezuela, RB | 63.0 | 29.6 | 21.5 | 18.5 | 17.2 | 17.3 | 17.6 | 17.9 | 18.3 | 19.2 | 24.3 | 24.3 | 24.3 | 24.3 | 24.3 | 24.3 | 24.3 | 24.3 |
| Algeria | 241.1 | 51.7 | 41.6 | 34.0 | 28.1 | 27.3 | 26.6 | 26.0 | 25.4 | 24.9 | 24.5 | 24.0 | 23.7 | 23.3 | 22.9 | 22.6 | 22.3 | 22.0 |
| Iran, Islamic Rep. | 57.6 | 36.3 | 26.5 | 19.3 | 18.4 | 17.5 | 16.8 | 16.1 | 15.5 | 15.0 | 14.5 | 13.9 | 13.5 | 13.0 | 12.6 | 12.2 | 11.8 | |
| Iraq | 112.4 | 79.7 | 44.3 | 39.7 | 34.6 | 33.5 | 32.4 | 31.4 | 30.4 | 29.4 | 28.4 | 27.5 | 26.6 | 25.7 | 24.9 | 24.1 | 23.3 | 22.6 |
| Kuwait | 70.0 | 17.3 | 12.7 | 11.7 | 10.7 | 10.3 | 9.9 | 9.6 | 9.3 | 9.1 | 9.0 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.8 |
| Libya | 135.9 | 41.9 | 28.1 | 23.1 | 16.6 | 19.6 | 15.1 | 14.5 | 13.9 | 13.3 | 12.8 | 12.4 | 11.9 | 11.6 | 11.2 | 10.8 | 10.5 | 30.8 |
| Qatar | 66.0 | 20.8 | 12.5 | 10.4 | 9.1 | 8.9 | 8.7 | 8.4 | 8.2 | 7.9 | 7.5 | 7.2 | 6.9 | 6.7 | 6.4 | 6.3 | 6.1 | 6.0 |
| Saudi Arabia | 44.4 | 22.1 | 16.5 | 12.2 | 11.5 | 10.8 | 10.2 | 9.6 | 9.0 | 8.5 | 8.0 | 7.6 | 7.2 | 6.9 | 6.6 | 6.4 | 6.2 | |
| United Arab Emirates | 96.2 | 15.1 | 10.7 | 9.8 | 8.8 | 8.6 | 8.4 | 8.2 | 7.9 | 7.7 | 7.3 | 7.0 | 6.7 | 6.3 | 6.0 | 5.6 | 5.3 | 5.0 |
| Angola | 222.7 | 203.0 | 165.0 | 119.8 | 112.1 | 104.8 | 98.3 | 92.8 | 88.2 | 84.1 | 80.5 | 77.3 | 74.4 | 71.6 | 69.0 | 66.4 | 64.0 | |
| Congo, Rep. | 137.3 | 91.5 | 113.7 | 86.6 | 62.5 | 60.2 | 58.2 | 56.4 | 54.5 | 52.7 | 50.9 | 49.3 | 47.7 | 52.4 | 44.7 | 43.3 | 41.9 | 40.5 |
| Equatorial Guinea | 178.7 | 155.9 | 133.2 | 111.1 | 107.1 | 103.4 | 99.9 | 96.6 | 93.3 | 89.9 | 87.0 | 84.2 | 81.7 | 78.8 | 76.1 | 73.4 | 70.6 | |
| Gabon | 156.9 | 84.9 | 73.7 | 63.9 | 53.5 | 51.4 | 49.4 | 47.3 | 45.7 | 44.2 | 42.4 | 41.0 | 39.6 | 38.0 | 36.2 | 35.2 | 34.1 | 33.2 |
| Nigeria | 285.1 | 209.8 | 182.3 | 154.5 | 135.1 | 132.9 | 130.9 | 129.3 | 127.9 | 126.4 | 124.8 | 122.8 | 120.2 | 117.5 | 114.4 | 111.3 | 108.1 | 104.9 |