The World: Population - Age 0-4 (2015) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | Iraq | 4,192,723 | 2015 | |
| 27. | Thailand | 4,207,088 | 2015 | |
| 26. | Mozambique | 4,266,461 | 2015 | |
| 25. | South Africa | 4,437,577 | 2015 | |
| 24. | Myanmar | 4,932,343 | 2015 | |
| 23. | Afghanistan | 5,158,865 | 2015 | |
| 22. | Japan | 5,272,998 | 2015 | |
| 21. | Tanzania | 6,323,153 | 2015 | |
| 20. | Kenya | 6,376,220 | 2015 | |
| 19. | Turkey | 6,802,043 | 2015 | |
| 18. | Iran | 6,944,104 | 2015 | |
| 17. | Russia | 7,373,760 | 2015 | |
| 16. | Vietnam | 7,489,812 | 2015 | |
| 15. | Sudan | 7,633,321 | 2015 | |
| 14. | Uganda | 8,004,013 | 2015 | |
| 13. | Egypt | 9,866,726 | 2015 | |
| 12. | Mexico | 10,534,623 | 2015 | |
| 11. | Democratic Republic of the Congo | 12,373,769 | 2015 | |
| 10. | Philippines | 12,694,717 | 2015 | |
| 9. | Bangladesh | 17,147,348 | 2015 | |
| 8. | Brazil | 17,548,290 | 2015 | |
| 7. | Ethiopia | 18,520,568 | 2015 | |
| 6. | Indonesia | 21,306,606 | 2015 | |
| 5. | Pakistan | 21,362,168 | 2015 | |
| 4. | United States of America | 21,740,424 | 2015 | |
| 3. | Nigeria | 30,302,308 | 2015 | |
| 2. | China | 80,930,272 | 2015 | |
| 1. | India | 117,449,792 | 2015 |
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