The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | South Africa | 4,262,619 | 2020 | |
| 27. | Niger | 4,381,067 | 2020 | |
| 26. | Madagascar | 4,386,446 | 2020 | |
| 25. | Mozambique | 4,725,784 | 2020 | |
| 24. | Japan | 4,790,505 | 2020 | |
| 23. | Myanmar | 4,925,631 | 2020 | |
| 22. | Kenya | 5,357,004 | 2020 | |
| 21. | Afghanistan | 5,672,736 | 2020 | |
| 20. | Tanzania | 6,101,818 | 2020 | |
| 19. | Russia | 6,544,341 | 2020 | |
| 18. | Turkey | 6,553,729 | 2020 | |
| 17. | Iran | 6,930,125 | 2020 | |
| 16. | Vietnam | 7,230,008 | 2020 | |
| 15. | Sudan | 8,174,724 | 2020 | |
| 14. | Uganda | 9,420,091 | 2020 | |
| 13. | Egypt | 9,853,610 | 2020 | |
| 12. | Mexico | 10,410,948 | 2020 | |
| 11. | Democratic Republic of the Congo | 12,792,347 | 2020 | |
| 10. | Philippines | 12,941,147 | 2020 | |
| 9. | Bangladesh | 17,117,780 | 2020 | |
| 8. | Brazil | 17,131,992 | 2020 | |
| 7. | Indonesia | 20,628,248 | 2020 | |
| 6. | Ethiopia | 20,959,344 | 2020 | |
| 5. | Pakistan | 21,070,694 | 2020 | |
| 4. | United States of America | 22,396,952 | 2020 | |
| 3. | Nigeria | 32,986,308 | 2020 | |
| 2. | China | 78,461,928 | 2020 | |
| 1. | India | 116,320,760 | 2020 |
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