The World: Population - Age 0-4 (2017) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | Thailand | 4,163,570 | 2017 | |
| 27. | Iraq | 4,198,324 | 2017 | |
| 26. | South Africa | 4,346,312 | 2017 | |
| 25. | Mozambique | 4,445,815 | 2017 | |
| 24. | Myanmar | 4,935,389 | 2017 | |
| 23. | Japan | 5,071,449 | 2017 | |
| 22. | Afghanistan | 5,369,368 | 2017 | |
| 21. | Kenya | 5,947,764 | 2017 | |
| 20. | Tanzania | 6,243,783 | 2017 | |
| 19. | Turkey | 6,698,255 | 2017 | |
| 18. | Iran | 7,010,439 | 2017 | |
| 17. | Russia | 7,075,402 | 2017 | |
| 16. | Vietnam | 7,408,275 | 2017 | |
| 15. | Sudan | 7,869,538 | 2017 | |
| 14. | Uganda | 8,562,235 | 2017 | |
| 13. | Egypt | 9,884,964 | 2017 | |
| 12. | Mexico | 10,485,744 | 2017 | |
| 11. | Democratic Republic of the Congo | 12,575,620 | 2017 | |
| 10. | Philippines | 12,803,679 | 2017 | |
| 9. | Bangladesh | 17,087,516 | 2017 | |
| 8. | Brazil | 17,376,380 | 2017 | |
| 7. | Ethiopia | 19,466,328 | 2017 | |
| 6. | Indonesia | 21,007,034 | 2017 | |
| 5. | Pakistan | 21,196,680 | 2017 | |
| 4. | United States of America | 22,032,634 | 2017 | |
| 3. | Nigeria | 31,329,912 | 2017 | |
| 2. | China | 80,736,288 | 2017 | |
| 1. | India | 116,899,496 | 2017 |
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