The World: Population - Age 45-49 (1980) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 1. | United States of America | 11,048,040 | 1980 | |
| 2. | Indonesia | 6,436,294 | 1980 | |
| 3. | Brazil | 4,773,925 | 1980 | |
| 4. | Nigeria | 2,600,967 | 1980 | |
| 5. | Mexico | 2,315,703 | 1980 | |
| 6. | Turkey | 2,000,306 | 1980 | |
| 7. | Philippines | 1,770,885 | 1980 | |
| 8. | Argentina | 1,535,904 | 1980 | |
| 9. | Myanmar | 1,353,644 | 1980 | |
| 10. | Ethiopia | 1,292,331 | 1980 | |
| 11. | Democratic Republic of the Congo | 1,020,753 | 1980 | |
| 12. | Colombia | 951,787 | 1980 | |
| 13. | Nepal | 624,328 | 1980 | |
| 14. | Tanzania | 621,741 | 1980 | |
| 15. | Afghanistan | 528,575 | 1980 | |
| 16. | Malaysia | 500,680 | 1980 | |
| 17. | Kenya | 454,199 | 1980 | |
| 18. | Mozambique | 432,033 | 1980 | |
| 19. | Uganda | 398,943 | 1980 | |
| 20. | Ghana | 390,915 | 1980 | |
| 21. | Madagascar | 311,198 | 1980 | |
| 22. | Cameroon | 297,610 | 1980 | |
| 23. | Cote d'Ivoire | 290,987 | 1980 | |
| 24. | Angola | 252,287 | 1980 | |
| 25. | Cambodia | 252,068 | 1980 | |
| 26. | Mali | 239,773 | 1980 | |
| 27. | Haiti | 217,404 | 1980 | |
| 28. | Burkina Faso | 217,232 | 1980 | |
| 29. | Niger | 211,861 | 1980 | |
| 30. | Malawi | 207,210 | 1980 | |
| 31. | Dominican Republic | 196,691 | 1980 | |
| 32. | Somalia | 194,140 | 1980 | |
| 33. | Senegal | 182,405 | 1980 | |
| 34. | Zambia | 171,881 | 1980 | |
| 35. | Guinea | 169,275 | 1980 | |
| 36. | Rwanda | 164,340 | 1980 | |
| 37. | Chad | 164,135 | 1980 | |
| 38. | Burundi | 138,044 | 1980 | |
| 39. | Sierra Leone | 135,423 | 1980 | |
| 40. | Lebanon | 110,008 | 1980 | |
| 41. | Paraguay | 109,053 | 1980 | |
| 42. | Benin | 108,703 | 1980 | |
| 43. | Libya | 106,923 | 1980 | |
| 44. | Central African Republic | 106,438 | 1980 | |
| 45. | Honduras | 104,097 | 1980 | |
| 46. | Papua New Guinea | 97,334 | 1980 | |
| 47. | Eritrea | 92,296 | 1980 | |
| 48. | Nicaragua | 86,288 | 1980 | |
| 49. | Panama | 72,046 | 1980 | |
| 50. | Jordan | 71,712 | 1980 | |
| 51. | Liberia | 69,258 | 1980 | |
| 52. | Republic of Congo | 61,136 | 1980 | |
| 53. | Mauritania | 57,617 | 1980 | |
| 54. | Lesotho | 54,115 | 1980 | |
| 55. | Trinidad and Tobago | 40,081 | 1980 | |
| 56. | Namibia | 36,009 | 1980 | |
| 57. | Gabon | 31,103 | 1980 | |
| 58. | Guinea-Bissau | 27,461 | 1980 | |
| 59. | Guyana | 24,790 | 1980 | |
| 60. | Swaziland | 19,888 | 1980 | |
| 61. | Bhutan | 19,353 | 1980 | |
| 62. | Suriname | 13,860 | 1980 | |
| 63. | Djibouti | 12,137 | 1980 | |
| 64. | Comoros | 11,308 | 1980 | |
| 65. | Cape Verde | 10,934 | 1980 | |
| 66. | Barbados | 9,240 | 1980 | |
| 67. | The Bahamas | 7,837 | 1980 | |
| 68. | Solomon Islands | 7,555 | 1980 | |
| 69. | Belize | 4,554 | 1980 | |
| 70. | Western Sahara | 4,351 | 1980 | |
| 71. | Vanuatu | 3,748 | 1980 | |
| 72. | Saint Lucia | 3,605 | 1980 | |
| 73. | Seychelles | 2,555 | 1980 | |
| 74. | Saint Kitts and Nevis | 1,284 | 1980 | |
| 75. | Tuvalu | 332 | 1980 |
