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.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azerbaijan | 94.8 | 74.0 | 51.8 | 37.7 | 35.4 | 33.2 | 31.2 | 29.5 | 27.8 | 26.3 | 24.9 | 23.6 | 22.4 | 21.3 | 20.4 | 19.4 | 18.6 |
| Georgia | 47.5 | 36.3 | 23.5 | 14.1 | 13.0 | 12.1 | 11.4 | 10.9 | 10.5 | 10.2 | 10.0 | 9.8 | 9.7 | 9.6 | 9.5 | 9.3 | 9.2 |
| Republic of Moldova | 33.5 | 31.3 | 20.1 | 16.9 | 16.6 | 16.3 | 16.0 | 15.8 | 15.5 | 15.3 | 15.2 | 15.1 | 15.0 | 14.9 | 14.8 | 14.8 | 14.7 |
| Ukraine | 19.2 | 18.3 | 14.5 | 11.7 | 11.2 | 10.7 | 10.2 | 9.8 | 9.4 | 9.1 | 8.9 | 8.7 | 8.5 | 8.4 | 8.2 | 8.5 | 8.1 |