Child mortality rate is the probability of dying between the exact ages of one and five, if subject to current age-specific mortality rates. The probability is expressed as a rate per 1,000.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Argentina | 75.3 | 31.7 | 21.3 | 18.4 | 15.8 | 15.2 | 14.5 | 13.8 | 13.3 | 12.8 | 12.4 | 12.0 | 11.7 | 11.4 | 11.2 | 10.9 | 10.7 | 10.5 |
| Bolivia | 242.5 | 128.0 | 80.3 | 60.6 | 45.5 | 43.0 | 40.7 | 38.5 | 36.5 | 34.6 | 33.1 | 31.7 | 30.4 | 29.2 | 28.1 | 27.2 | 26.2 | 25.3 |
| Brazil | 143.9 | 68.9 | 38.1 | 27.3 | 20.7 | 19.8 | 19.1 | 18.6 | 18.1 | 17.7 | 18.5 | 17.1 | 16.9 | 16.7 | 16.5 | 16.3 | 16.2 | 16.0 |
| Chile | 85.6 | 20.9 | 11.9 | 10.0 | 9.5 | 9.3 | 9.1 | 8.9 | 8.7 | 8.6 | 8.4 | 8.1 | 7.8 | 7.5 | 7.3 | 7.2 | 7.3 | 7.7 |
| Colombia | 103.6 | 39.5 | 27.9 | 23.8 | 20.3 | 19.6 | 19.0 | 18.4 | 17.8 | 17.2 | 16.6 | 16.1 | 15.6 | 15.1 | 14.6 | 14.1 | 13.7 | 13.3 |
| Ecuador | 147.0 | 59.9 | 33.6 | 26.9 | 21.8 | 20.8 | 19.8 | 18.9 | 18.1 | 17.4 | 16.8 | 16.3 | 15.9 | 15.6 | 15.3 | 15.1 | 14.9 | 14.7 |
| Guyana | 82.2 | 68.2 | 52.3 | 46.5 | 41.9 | 41.0 | 40.1 | 39.2 | 38.1 | 37.0 | 36.0 | 35.0 | 33.9 | 32.9 | 31.8 | 30.9 | 29.8 | 28.9 |
| Paraguay | 82.9 | 49.2 | 36.7 | 32.7 | 28.3 | 27.5 | 26.7 | 25.9 | 25.2 | 24.4 | 23.6 | 22.7 | 22.0 | 21.3 | 20.6 | 20.0 | 19.3 | 18.6 |
| Peru | 204.8 | 84.8 | 40.9 | 28.9 | 22.4 | 21.5 | 20.7 | 20.1 | 19.6 | 19.3 | 19.0 | 18.8 | 18.6 | 18.4 | 18.2 | 18.0 | 17.7 | 17.3 |
| Suriname | 49.4 | 34.6 | 29.6 | 25.9 | 25.3 | 24.7 | 24.1 | 23.5 | 23.0 | 22.4 | 21.7 | 21.1 | 20.5 | 19.9 | 19.3 | 18.7 | 18.1 | |
| Uruguay | 59.9 | 26.1 | 18.9 | 15.9 | 12.0 | 11.5 | 11.2 | 10.8 | 10.4 | 9.9 | 9.4 | 9.0 | 8.5 | 8.2 | 7.9 | 7.7 | 7.5 | 7.4 |
| Venezuela (Bolivarian Republic of) | 68.4 | 32.5 | 23.9 | 20.5 | 19.0 | 19.1 | 19.4 | 19.7 | 20.2 | 21.2 | 26.2 | 26.2 | 26.2 | 26.3 | 26.2 | 26.3 | 26.2 | 26.2 |