The World: Population - Age 0-4 (1980) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 1. | Indonesia | 22,622,068 | 1980 | |
| 2. | Brazil | 17,487,124 | 1980 | |
| 3. | United States of America | 16,451,184 | 1980 | |
| 4. | Nigeria | 14,037,402 | 1980 | |
| 5. | Mexico | 10,894,071 | 1980 | |
| 6. | Philippines | 8,348,112 | 1980 | |
| 7. | Turkey | 6,582,402 | 1980 | |
| 8. | Ethiopia | 6,460,165 | 1980 | |
| 9. | Democratic Republic of the Congo | 5,349,610 | 1980 | |
| 10. | Myanmar | 4,928,636 | 1980 | |
| 11. | Tanzania | 3,628,748 | 1980 | |
| 12. | Colombia | 3,574,229 | 1980 | |
| 13. | Kenya | 3,431,689 | 1980 | |
| 14. | Argentina | 3,323,572 | 1980 | |
| 15. | Afghanistan | 2,665,376 | 1980 | |
| 16. | Nepal | 2,441,489 | 1980 | |
| 17. | Uganda | 2,441,463 | 1980 | |
| 18. | Mozambique | 2,161,122 | 1980 | |
| 19. | Malaysia | 2,038,629 | 1980 | |
| 20. | Ghana | 1,945,294 | 1980 | |
| 21. | Cote d'Ivoire | 1,672,224 | 1980 | |
| 22. | Cameroon | 1,632,844 | 1980 | |
| 23. | Madagascar | 1,588,284 | 1980 | |
| 24. | Mali | 1,384,262 | 1980 | |
| 25. | Angola | 1,384,208 | 1980 | |
| 26. | Burkina Faso | 1,255,984 | 1980 | |
| 27. | Malawi | 1,215,235 | 1980 | |
| 28. | Niger | 1,191,001 | 1980 | |
| 29. | Zambia | 1,123,552 | 1980 | |
| 30. | Senegal | 1,110,338 | 1980 | |
| 31. | Somalia | 1,028,988 | 1980 | |
| 32. | Rwanda | 1,028,165 | 1980 | |
| 33. | Cambodia | 987,916 | 1980 | |
| 34. | Haiti | 880,684 | 1980 | |
| 35. | Dominican Republic | 844,834 | 1980 | |
| 36. | Chad | 837,189 | 1980 | |
| 37. | Burundi | 796,156 | 1980 | |
| 38. | Guinea | 780,028 | 1980 | |
| 39. | Benin | 684,798 | 1980 | |
| 40. | Honduras | 644,917 | 1980 | |
| 41. | Libya | 579,898 | 1980 | |
| 42. | Sierra Leone | 570,887 | 1980 | |
| 43. | Papua New Guinea | 530,917 | 1980 | |
| 44. | Nicaragua | 526,766 | 1980 | |
| 45. | Paraguay | 491,502 | 1980 | |
| 46. | Eritrea | 471,654 | 1980 | |
| 47. | Jordan | 406,053 | 1980 | |
| 48. | Lebanon | 404,372 | 1980 | |
| 49. | Central African Republic | 401,282 | 1980 | |
| 50. | Liberia | 329,214 | 1980 | |
| 51. | Republic of Congo | 295,332 | 1980 | |
| 52. | Mauritania | 281,376 | 1980 | |
| 53. | Panama | 280,265 | 1980 | |
| 54. | Lesotho | 226,592 | 1980 | |
| 55. | Namibia | 195,762 | 1980 | |
| 56. | Guinea-Bissau | 141,776 | 1980 | |
| 57. | Trinidad and Tobago | 137,764 | 1980 | |
| 58. | Swaziland | 119,152 | 1980 | |
| 59. | Gabon | 105,041 | 1980 | |
| 60. | Guyana | 104,236 | 1980 | |
| 61. | Bhutan | 76,951 | 1980 | |
| 62. | Comoros | 62,380 | 1980 | |
| 63. | Djibouti | 55,667 | 1980 | |
| 64. | Cape Verde | 50,204 | 1980 | |
| 65. | Suriname | 45,480 | 1980 | |
| 66. | Solomon Islands | 44,836 | 1980 | |
| 67. | The Bahamas | 26,582 | 1980 | |
| 68. | Belize | 26,165 | 1980 | |
| 69. | Barbados | 23,046 | 1980 | |
| 70. | Western Sahara | 22,150 | 1980 | |
| 71. | Vanuatu | 21,035 | 1980 | |
| 72. | Saint Lucia | 18,827 | 1980 | |
| 73. | Seychelles | 8,094 | 1980 | |
| 74. | Saint Kitts and Nevis | 5,631 | 1980 | |
| 75. | Tuvalu | 799 | 1980 |
