Child immunization measures the percentage of children ages 12-23 months who received vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized against diphtheria, pertussis (or whooping cough), and tetanus (DPT) after receiving three doses of vaccine.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Papua New Guinea | 68.0 | 59.0 | 72.0 | 55.0 | 58.0 | 57.0 | 60.0 | 52.0 | 49.0 | 46.0 | 36.0 | 35.0 | 35.0 | 40.0 | 32.0 | 37.0 | 35.0 |
| Solomon Islands | 77.0 | 86.0 | 89.0 | 83.0 | 91.0 | 92.0 | 83.0 | 77.0 | 87.0 | 94.0 | 83.0 | 85.0 | 94.0 | 94.0 | 87.0 | 89.0 | 84.0 |
| Haiti | 41.0 | 43.0 | 60.0 | 67.0 | 68.0 | 66.0 | 65.0 | 63.0 | 64.0 | 64.0 | 64.0 | 64.0 | 51.0 | 51.0 | 51.0 | 51.0 | 51.0 |
| Yemen, Rep. | 84.0 | 74.0 | 79.0 | 76.0 | 69.0 | 67.0 | 71.0 | 70.0 | 63.0 | 63.0 | 59.0 | 54.0 | 60.0 | 57.0 | 56.0 | 58.0 | 46.0 |
| Afghanistan | 25.0 | 24.0 | 58.0 | 66.0 | 68.0 | 66.0 | 64.0 | 63.0 | 64.0 | 65.0 | 63.0 | 67.0 | 65.0 | 61.0 | 55.0 | 58.0 | 60.0 |
| Burundi | 86.0 | 80.0 | 87.0 | 96.0 | 96.0 | 96.0 | 96.0 | 95.0 | 94.0 | 94.0 | 91.0 | 90.0 | 93.0 | 93.0 | 94.0 | 91.0 | 89.0 |
| Central African Republic | 82.0 | 37.0 | 54.0 | 45.0 | 47.0 | 47.0 | 23.0 | 45.0 | 43.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 |
| Chad | 20.0 | 37.0 | 25.0 | 39.0 | 33.0 | 40.0 | 39.0 | 36.0 | 42.0 | 41.0 | 41.0 | 46.0 | 50.0 | 52.0 | 58.0 | 60.0 | 67.0 |
| Comoros | 94.0 | 70.0 | 68.0 | 74.0 | 83.0 | 86.0 | 83.0 | 80.0 | 80.0 | 75.0 | 79.0 | 77.0 | 78.0 | 74.0 | 72.0 | 78.0 | 75.0 |
| Cote d'Ivoire | 54.0 | 65.0 | 76.0 | 78.0 | 61.0 | 82.0 | 75.0 | 73.0 | 79.0 | 87.0 | 83.0 | 83.0 | 79.0 | 72.0 | 73.0 | 73.0 | 79.0 |
| Congo, Dem. Rep. | 35.0 | 40.0 | 60.0 | 60.0 | 70.0 | 71.0 | 71.0 | 73.0 | 70.0 | 70.0 | 71.0 | 71.0 | 73.0 | 70.0 | 65.0 | 65.0 | 60.0 |
| Guinea | 17.0 | 46.0 | 59.0 | 64.0 | 63.0 | 57.0 | 50.0 | 44.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 | 47.0 |
| Guinea-Bissau | 61.0 | 49.0 | 68.0 | 83.0 | 86.0 | 87.0 | 87.0 | 86.0 | 86.0 | 85.0 | 79.0 | 82.0 | 78.0 | 74.0 | 67.0 | 74.0 | 74.0 |
| Sao Tome and Principe | 92.0 | 82.0 | 97.0 | 98.0 | 96.0 | 96.0 | 97.0 | 95.0 | 96.0 | 96.0 | 95.0 | 95.0 | 95.0 | 96.0 | 97.0 | 92.0 | 86.0 |
| Somalia | 19.0 | 33.0 | 35.0 | 45.0 | 41.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 | 42.0 |
| Togo | 77.0 | 64.0 | 82.0 | 83.0 | 85.0 | 84.0 | 84.0 | 84.0 | 82.0 | 82.0 | 83.0 | 81.0 | 84.0 | 82.0 | 83.0 | 82.0 | 85.0 |
| Liberia | 46.0 | 60.0 | 70.0 | 77.0 | 80.0 | 80.0 | 63.0 | 65.0 | 73.0 | 80.0 | 80.0 | 70.0 | 65.0 | 66.0 | 78.0 | 82.0 | |
| Sierra Leone | 44.0 | 65.0 | 86.0 | 89.0 | 91.0 | 92.0 | 83.0 | 86.0 | 84.0 | 90.0 | 93.0 | 95.0 | 91.0 | 92.0 | 91.0 | 91.0 | |
| Timor-Leste | 55.0 | 72.0 | 67.0 | 83.0 | 82.0 | 77.0 | 76.0 | 79.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | 83.0 | ||
| South Sudan | 61.0 | 63.0 | 53.0 | 50.0 | 46.0 | 45.0 | 52.0 | 59.0 | 61.0 | 67.0 | 69.0 | 73.0 | 73.0 |