The World: Population - Male - Age 0-4 (1981) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 1. | Indonesia | 11,543,501 | 1981 | |
| 2. | Brazil | 9,043,019 | 1981 | |
| 3. | Bangladesh | 8,640,158 | 1981 | |
| 4. | United States of America | 8,640,091 | 1981 | |
| 5. | Pakistan | 7,993,096 | 1981 | |
| 6. | Nigeria | 7,374,421 | 1981 | |
| 7. | Mexico | 5,548,005 | 1981 | |
| 8. | Philippines | 4,346,499 | 1981 | |
| 9. | Turkey | 3,431,981 | 1981 | |
| 10. | Ethiopia | 3,389,050 | 1981 | |
| 11. | Democratic Republic of the Congo | 2,775,675 | 1981 | |
| 12. | Myanmar | 2,541,152 | 1981 | |
| 13. | Tanzania | 1,849,496 | 1981 | |
| 14. | Colombia | 1,812,147 | 1981 | |
| 15. | Kenya | 1,804,857 | 1981 | |
| 16. | Argentina | 1,726,587 | 1981 | |
| 17. | Peru | 1,341,945 | 1981 | |
| 18. | Nepal | 1,275,693 | 1981 | |
| 19. | Uganda | 1,256,047 | 1981 | |
| 20. | Afghanistan | 1,220,157 | 1981 | |
| 21. | Mozambique | 1,084,993 | 1981 | |
| 22. | Malaysia | 1,068,145 | 1981 | |
| 23. | Sri Lanka | 1,015,569 | 1981 | |
| 24. | Ghana | 983,473 | 1981 | |
| 25. | Syria | 905,903 | 1981 | |
| 26. | Cote d'Ivoire | 856,551 | 1981 | |
| 27. | Cameroon | 850,662 | 1981 | |
| 28. | Madagascar | 824,601 | 1981 | |
| 29. | Angola | 724,028 | 1981 | |
| 30. | Mali | 714,175 | 1981 | |
| 31. | Burkina Faso | 643,909 | 1981 | |
| 32. | Malawi | 628,238 | 1981 | |
| 33. | Niger | 627,693 | 1981 | |
| 34. | Guatemala | 625,872 | 1981 | |
| 35. | Zambia | 584,731 | 1981 | |
| 36. | Senegal | 577,725 | 1981 | |
| 37. | Cambodia | 568,557 | 1981 | |
| 38. | Rwanda | 530,662 | 1981 | |
| 39. | Somalia | 517,360 | 1981 | |
| 40. | Haiti | 445,419 | 1981 | |
| 41. | Dominican Republic | 435,640 | 1981 | |
| 42. | Burundi | 419,754 | 1981 | |
| 43. | Chad | 419,592 | 1981 | |
| 44. | Guinea | 398,927 | 1981 | |
| 45. | Benin | 357,399 | 1981 | |
| 46. | Honduras | 339,169 | 1981 | |
| 47. | Libya | 306,798 | 1981 | |
| 48. | Sierra Leone | 286,854 | 1981 | |
| 49. | Nicaragua | 274,872 | 1981 | |
| 50. | Serbia | 273,374 | 1981 | |
| 51. | Papua New Guinea | 270,361 | 1981 | |
| 52. | Togo | 265,326 | 1981 | |
| 53. | Paraguay | 254,451 | 1981 | |
| 54. | Eritrea | 241,663 | 1981 | |
| 55. | Jordan | 214,462 | 1981 | |
| 56. | Lebanon | 207,068 | 1981 | |
| 57. | Central African Republic | 206,566 | 1981 | |
| 58. | Liberia | 170,412 | 1981 | |
| 59. | Republic of Congo | 153,318 | 1981 | |
| 60. | Mauritania | 146,422 | 1981 | |
| 61. | Panama | 142,479 | 1981 | |
| 62. | Kosovo | 121,727 | 1981 | |
| 63. | Lesotho | 116,719 | 1981 | |
| 64. | Namibia | 100,641 | 1981 | |
| 65. | Botswana | 89,072 | 1981 | |
| 66. | Guinea-Bissau | 72,661 | 1981 | |
| 67. | Trinidad and Tobago | 71,833 | 1981 | |
| 68. | Swaziland | 61,376 | 1981 | |
| 69. | Gabon | 54,942 | 1981 | |
| 70. | Guyana | 52,819 | 1981 | |
| 71. | Bhutan | 40,433 | 1981 | |
| 72. | Comoros | 31,854 | 1981 | |
| 73. | Djibouti | 29,801 | 1981 | |
| 74. | Cape Verde | 25,150 | 1981 | |
| 75. | Suriname | 23,809 | 1981 | |
| 76. | Bahrain | 23,276 | 1981 | |
| 77. | Solomon Islands | 22,948 | 1981 | |
| 78. | Brunei | 14,773 | 1981 | |
| 79. | Belize | 13,918 | 1981 | |
| 80. | Samoa | 13,447 | 1981 | |
| 81. | The Bahamas | 13,222 | 1981 | |
| 82. | Western Sahara | 12,515 | 1981 | |
| 83. | Barbados | 11,428 | 1981 | |
| 84. | Vanuatu | 11,028 | 1981 | |
| 85. | Saint Lucia | 9,483 | 1981 | |
| 86. | Sao Tome and Principe | 9,102 | 1981 | |
| 87. | Grenada | 6,381 | 1981 | |
| 88. | Dominica | 4,881 | 1981 | |
| 89. | Seychelles | 4,090 | 1981 | |
| 90. | Saint Kitts and Nevis | 2,779 | 1981 | |
| 91. | Aruba | 2,661 | 1981 | |
| 92. | Tuvalu | 456 | 1981 |
