The World: Population - Age 0-4 (2025) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | Burkina Faso | 4,196,146 | 2025 (Est.) | |
| 27. | Japan | 4,440,077 | 2025 (Est.) | |
| 26. | Madagascar | 4,772,335 | 2025 (Est.) | |
| 25. | Myanmar | 4,861,206 | 2025 (Est.) | |
| 24. | Kenya | 4,890,119 | 2025 (Est.) | |
| 23. | Niger | 5,041,752 | 2025 (Est.) | |
| 22. | Mozambique | 5,189,653 | 2025 (Est.) | |
| 21. | Russia | 5,723,541 | 2025 (Est.) | |
| 20. | Tanzania | 5,866,918 | 2025 (Est.) | |
| 19. | Afghanistan | 6,055,219 | 2025 (Est.) | |
| 18. | Turkey | 6,335,332 | 2025 (Est.) | |
| 17. | Iran | 6,353,305 | 2025 (Est.) | |
| 16. | Vietnam | 6,794,382 | 2025 (Est.) | |
| 15. | Sudan | 8,497,539 | 2025 (Est.) | |
| 14. | Egypt | 9,835,710 | 2025 (Est.) | |
| 13. | Mexico | 10,247,315 | 2025 (Est.) | |
| 12. | Uganda | 10,948,024 | 2025 (Est.) | |
| 11. | Democratic Republic of the Congo | 12,957,776 | 2025 (Est.) | |
| 10. | Philippines | 13,137,800 | 2025 (Est.) | |
| 9. | Brazil | 16,808,712 | 2025 (Est.) | |
| 8. | Bangladesh | 17,322,464 | 2025 (Est.) | |
| 7. | Indonesia | 20,243,316 | 2025 (Est.) | |
| 6. | Pakistan | 21,016,292 | 2025 (Est.) | |
| 5. | United States of America | 22,913,756 | 2025 (Est.) | |
| 4. | Ethiopia | 23,694,992 | 2025 (Est.) | |
| 3. | Nigeria | 35,979,396 | 2025 (Est.) | |
| 2. | China | 70,759,808 | 2025 (Est.) | |
| 1. | India | 115,369,016 | 2025 (Est.) |
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