The World: Population - Age 45-49 (2025) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | Algeria | 3,085,638 | 2025 (Est.) | |
| 27. | Argentina | 3,123,486 | 2025 (Est.) | |
| 26. | South Korea | 3,689,581 | 2025 (Est.) | |
| 25. | Democratic Republic of the Congo | 3,809,069 | 2025 (Est.) | |
| 24. | United Kingdom | 3,961,378 | 2025 (Est.) | |
| 23. | France | 4,082,174 | 2025 (Est.) | |
| 22. | Myanmar | 4,132,156 | 2025 (Est.) | |
| 21. | Spain | 4,365,510 | 2025 (Est.) | |
| 20. | Italy | 4,564,904 | 2025 (Est.) | |
| 19. | Germany | 4,671,675 | 2025 (Est.) | |
| 18. | Ethiopia | 4,778,864 | 2025 (Est.) | |
| 17. | Thailand | 5,385,817 | 2025 (Est.) | |
| 16. | Egypt | 6,185,907 | 2025 (Est.) | |
| 15. | Turkey | 6,246,754 | 2025 (Est.) | |
| 14. | Iran | 6,770,437 | 2025 (Est.) | |
| 13. | Vietnam | 7,037,710 | 2025 (Est.) | |
| 12. | Philippines | 7,039,002 | 2025 (Est.) | |
| 11. | Japan | 8,203,576 | 2025 (Est.) | |
| 10. | Mexico | 8,312,260 | 2025 (Est.) | |
| 9. | Nigeria | 9,014,139 | 2025 (Est.) | |
| 8. | Russia | 9,422,638 | 2025 (Est.) | |
| 7. | Pakistan | 11,657,066 | 2025 (Est.) | |
| 6. | Bangladesh | 12,719,768 | 2025 (Est.) | |
| 5. | Brazil | 15,910,607 | 2025 (Est.) | |
| 4. | Indonesia | 19,202,466 | 2025 (Est.) | |
| 3. | United States of America | 20,773,854 | 2025 (Est.) | |
| 2. | India | 88,094,896 | 2025 (Est.) | |
| 1. | China | 91,522,784 | 2025 (Est.) |
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