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 | 42.7 | 28.5 | 21.2 | 14.1 | 12.9 | 11.9 | 11.1 | 10.5 | 10.2 | 10.0 | 9.9 | 10.0 | 10.0 | 10.1 | 10.1 | 10.2 | 10.1 | |
| Bosnia and Herzegovina | 20.1 | 10.6 | 8.2 | 7.5 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.3 | 7.1 | 7.0 | 6.8 | 6.5 | |
| Bulgaria | 36.2 | 20.5 | 19.4 | 14.6 | 12.0 | 11.5 | 10.9 | 10.2 | 9.5 | 8.9 | 8.4 | 8.0 | 7.6 | 7.3 | 7.0 | 6.8 | 6.7 | 6.6 |
| Croatia | 14.6 | 9.1 | 7.3 | 5.9 | 5.7 | 5.6 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | |
| Czechia | 27.8 | 13.7 | 6.1 | 4.9 | 3.8 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.6 | 3.6 | 3.5 | 3.4 | 3.2 | 3.1 | 3.0 | 2.8 |
| Hungary | 42.9 | 19.0 | 11.0 | 8.2 | 6.5 | 6.3 | 6.2 | 6.0 | 5.8 | 5.5 | 5.1 | 4.9 | 4.7 | 4.5 | 4.4 | 4.3 | 4.3 | 4.2 |
| North Macedonia | 38.7 | 17.0 | 14.7 | 11.1 | 10.7 | 10.8 | 11.3 | 11.8 | 12.0 | 11.5 | 10.3 | 8.7 | 7.4 | 6.3 | 5.3 | 4.3 | 3.4 | |
| Moldova | 37.3 | 34.8 | 22.3 | 18.8 | 18.5 | 18.1 | 17.8 | 17.5 | 17.2 | 17.0 | 16.8 | 16.7 | 16.6 | 16.5 | 16.4 | 16.3 | 16.3 | |
| Montenegro | 17.4 | 15.2 | 11.3 | 7.0 | 6.3 | 5.7 | 5.2 | 4.7 | 4.4 | 4.0 | 3.8 | 3.5 | 3.3 | 3.2 | 3.0 | 2.9 | 2.7 | |
| Poland | 40.3 | 19.5 | 10.2 | 8.2 | 6.5 | 6.2 | 5.9 | 5.7 | 5.5 | 5.3 | 5.2 | 5.1 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 |
| Romania | 61.6 | 34.6 | 23.8 | 20.2 | 13.7 | 13.0 | 12.4 | 11.6 | 10.9 | 10.1 | 9.4 | 8.6 | 7.9 | 7.4 | 7.1 | 7.1 | 7.2 | 7.2 |
| Serbia | 30.1 | 14.0 | 10.1 | 8.4 | 8.1 | 7.8 | 7.5 | 7.3 | 6.9 | 6.7 | 6.5 | 6.3 | 6.2 | 6.1 | 6.0 | 5.8 | 5.8 | |
| Slovak Republic | 33.0 | 16.5 | 10.6 | 9.1 | 7.6 | 7.4 | 7.2 | 7.0 | 6.9 | 6.8 | 6.7 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.7 |
| Slovenia | 11.5 | 5.9 | 4.5 | 3.5 | 3.3 | 3.2 | 3.0 | 2.9 | 2.8 | 2.8 | 2.7 | 2.6 | 2.6 | 2.6 | 2.5 | 2.5 | 2.4 |