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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Albania | 38.7 | 25.6 | 18.6 | 12.4 | 11.4 | 10.5 | 9.8 | 9.3 | 9.0 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.6 | |
| Bosnia and Herzegovina | 16.1 | 8.4 | 6.6 | 6.1 | 6.1 | 6.1 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.1 | 6.1 | 6.0 | 5.8 | 5.7 | 5.5 | |
| Bulgaria | 28.6 | 16.1 | 15.5 | 11.9 | 9.7 | 9.3 | 8.8 | 8.3 | 7.8 | 7.3 | 7.0 | 6.6 | 6.3 | 6.1 | 5.9 | 5.8 | 5.7 | 5.6 |
| Croatia | 11.1 | 7.5 | 6.1 | 5.0 | 4.8 | 4.7 | 4.6 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | |
| Czechia | 20.6 | 10.4 | 4.8 | 3.8 | 3.0 | 2.9 | 2.8 | 2.8 | 2.7 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.6 | 2.4 | 2.3 | 2.3 |
| Hungary | 34.6 | 15.3 | 9.1 | 6.9 | 5.5 | 5.4 | 5.3 | 5.1 | 4.9 | 4.6 | 4.3 | 4.1 | 3.9 | 3.7 | 3.6 | 3.6 | 3.5 | 3.4 |
| North Macedonia | 35.2 | 14.8 | 12.7 | 9.7 | 9.3 | 9.5 | 10.0 | 10.4 | 10.5 | 10.1 | 9.1 | 7.7 | 6.6 | 5.6 | 4.7 | 3.8 | 3.1 | |
| Moldova | 29.5 | 27.6 | 17.7 | 15.0 | 14.7 | 14.4 | 14.2 | 14.0 | 13.8 | 13.6 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.0 | |
| Montenegro | 15.5 | 13.2 | 9.8 | 6.2 | 5.6 | 5.1 | 4.6 | 4.2 | 3.9 | 3.6 | 3.3 | 3.1 | 3.0 | 2.8 | 2.7 | 2.5 | 2.4 | |
| Poland | 31.3 | 15.2 | 8.4 | 6.8 | 5.4 | 5.2 | 4.9 | 4.7 | 4.6 | 4.4 | 4.3 | 4.2 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 |
| Romania | 51.8 | 28.0 | 19.2 | 16.1 | 11.0 | 10.5 | 10.0 | 9.4 | 8.8 | 8.2 | 7.6 | 7.1 | 6.6 | 6.2 | 6.0 | 6.0 | 6.0 | 6.0 |
| Serbia | 26.7 | 11.1 | 7.9 | 6.7 | 6.5 | 6.3 | 6.1 | 5.8 | 5.7 | 5.5 | 5.3 | 5.2 | 5.1 | 4.9 | 4.8 | 4.8 | 4.7 | |
| Slovak Republic | 25.8 | 12.9 | 8.6 | 7.4 | 6.2 | 6.0 | 5.9 | 5.8 | 5.7 | 5.6 | 5.5 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 |
| Slovenia | 9.2 | 4.9 | 3.8 | 2.9 | 2.8 | 2.7 | 2.6 | 2.5 | 2.4 | 2.3 | 2.3 | 2.2 | 2.2 | 2.1 | 2.1 | 2.1 | 2.0 |