Infant mortality rate is the number of infants dying before reaching one year of age, per 1,000 live births in a given year.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Armenia | 45.5 | 27.8 | 21.3 | 16.4 | 15.6 | 14.8 | 14.1 | 13.4 | 12.8 | 12.2 | 11.7 | 11.2 | 10.7 | 10.2 | 9.7 | 9.3 | 8.9 | |
| Azerbaijan | 75.5 | 59.9 | 41.4 | 29.5 | 27.5 | 25.7 | 24.1 | 22.5 | 21.1 | 19.8 | 18.7 | 17.6 | 16.6 | 15.6 | 14.8 | 14.1 | 13.3 | |
| Belarus | 18.8 | 12.1 | 9.9 | 6.7 | 4.2 | 3.9 | 3.7 | 3.5 | 3.3 | 3.1 | 2.9 | 2.8 | 2.6 | 2.4 | 2.2 | 2.1 | 2.0 | 1.9 |
| Kazakhstan | 44.5 | 36.0 | 26.0 | 16.7 | 14.9 | 13.3 | 11.7 | 10.5 | 9.5 | 8.8 | 8.4 | 8.2 | 8.1 | 8.0 | 7.9 | 7.7 | 7.6 | |
| Kyrgyzstan | 56.6 | 44.0 | 34.1 | 25.7 | 24.0 | 22.7 | 21.5 | 20.4 | 19.4 | 18.4 | 17.5 | 16.7 | 16.1 | 15.6 | 15.3 | 15.1 | 14.9 | |
| Republic of Moldova | 29.1 | 27.9 | 18.0 | 15.3 | 15.1 | 14.8 | 14.6 | 14.4 | 14.2 | 14.0 | 13.9 | 13.8 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | |
| Russian Federation | 22.8 | 17.5 | 15.6 | 11.0 | 8.3 | 8.1 | 7.9 | 7.6 | 7.2 | 6.6 | 6.1 | 5.6 | 5.1 | 4.7 | 4.4 | 4.1 | 3.9 | 3.7 |
| Tajikistan | 76.0 | 62.2 | 41.4 | 29.9 | 28.4 | 27.2 | 26.3 | 25.4 | 24.7 | 24.1 | 23.7 | 23.4 | 23.3 | 23.2 | 23.2 | 23.1 | 22.9 | |
| Turkmenistan | 68.7 | 58.3 | 43.0 | 34.9 | 34.3 | 33.9 | 33.7 | 33.6 | 33.8 | 34.0 | 34.2 | 34.1 | 33.8 | 33.2 | 32.6 | 32.0 | 31.2 | |
| Ukraine | 18.3 | 17.6 | 14.0 | 11.4 | 10.8 | 10.3 | 9.9 | 9.5 | 9.2 | 8.9 | 8.7 | 8.5 | 8.3 | 8.1 | 8.0 | 8.0 | 7.8 | |
| Uzbekistan | 60.4 | 55.1 | 41.7 | 27.9 | 25.6 | 23.5 | 21.7 | 20.0 | 18.6 | 17.4 | 16.4 | 15.5 | 14.8 | 14.2 | 13.7 | 13.1 | 12.7 |