The World: Population - Age 10-14 (1981) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 1. | Indonesia | 18,652,474 | 1981 | |
| 2. | United States of America | 18,300,408 | 1981 | |
| 3. | Brazil | 15,301,909 | 1981 | |
| 4. | Bangladesh | 11,738,373 | 1981 | |
| 5. | Pakistan | 11,188,153 | 1981 | |
| 6. | Nigeria | 9,418,165 | 1981 | |
| 7. | Mexico | 9,262,441 | 1981 | |
| 8. | Philippines | 6,339,740 | 1981 | |
| 9. | Turkey | 5,577,915 | 1981 | |
| 10. | Ethiopia | 4,580,434 | 1981 | |
| 11. | Myanmar | 4,144,411 | 1981 | |
| 12. | Democratic Republic of the Congo | 3,695,874 | 1981 | |
| 13. | Colombia | 3,651,977 | 1981 | |
| 14. | Argentina | 2,518,834 | 1981 | |
| 15. | Tanzania | 2,371,548 | 1981 | |
| 16. | Kenya | 2,232,807 | 1981 | |
| 17. | Peru | 2,221,171 | 1981 | |
| 18. | Nepal | 1,744,862 | 1981 | |
| 19. | Sri Lanka | 1,724,060 | 1981 | |
| 20. | Uganda | 1,714,175 | 1981 | |
| 21. | Malaysia | 1,698,589 | 1981 | |
| 22. | Afghanistan | 1,687,409 | 1981 | |
| 23. | Mozambique | 1,522,985 | 1981 | |
| 24. | Ghana | 1,516,551 | 1981 | |
| 25. | Syria | 1,246,164 | 1981 | |
| 26. | Cote d'Ivoire | 1,231,469 | 1981 | |
| 27. | Madagascar | 1,122,710 | 1981 | |
| 28. | Cameroon | 1,117,392 | 1981 | |
| 29. | Cambodia | 979,319 | 1981 | |
| 30. | Angola | 883,694 | 1981 | |
| 31. | Burkina Faso | 828,545 | 1981 | |
| 32. | Guatemala | 807,747 | 1981 | |
| 33. | Malawi | 801,917 | 1981 | |
| 34. | Mali | 786,456 | 1981 | |
| 35. | Somalia | 774,842 | 1981 | |
| 36. | Dominican Republic | 773,517 | 1981 | |
| 37. | Niger | 755,626 | 1981 | |
| 38. | Zambia | 747,457 | 1981 | |
| 39. | Senegal | 711,635 | 1981 | |
| 40. | Haiti | 671,548 | 1981 | |
| 41. | Rwanda | 635,774 | 1981 | |
| 42. | Chad | 547,435 | 1981 | |
| 43. | Guinea | 539,291 | 1981 | |
| 44. | Burundi | 538,495 | 1981 | |
| 45. | Serbia | 509,121 | 1981 | |
| 46. | Honduras | 476,139 | 1981 | |
| 47. | Benin | 455,062 | 1981 | |
| 48. | Libya | 451,604 | 1981 | |
| 49. | Sierra Leone | 433,549 | 1981 | |
| 50. | Paraguay | 406,419 | 1981 | |
| 51. | Nicaragua | 380,503 | 1981 | |
| 52. | Lebanon | 377,525 | 1981 | |
| 53. | Papua New Guinea | 374,789 | 1981 | |
| 54. | Togo | 345,290 | 1981 | |
| 55. | Eritrea | 334,479 | 1981 | |
| 56. | Jordan | 324,871 | 1981 | |
| 57. | Central African Republic | 310,866 | 1981 | |
| 58. | Panama | 248,960 | 1981 | |
| 59. | Liberia | 233,965 | 1981 | |
| 60. | Republic of Congo | 226,413 | 1981 | |
| 61. | Kosovo | 198,344 | 1981 | |
| 62. | Mauritania | 191,335 | 1981 | |
| 63. | Lesotho | 163,726 | 1981 | |
| 64. | Namibia | 126,093 | 1981 | |
| 65. | Trinidad and Tobago | 119,936 | 1981 | |
| 66. | Botswana | 116,254 | 1981 | |
| 67. | Guyana | 105,230 | 1981 | |
| 68. | Guinea-Bissau | 94,682 | 1981 | |
| 69. | Gabon | 82,816 | 1981 | |
| 70. | Swaziland | 82,125 | 1981 | |
| 71. | Suriname | 51,485 | 1981 | |
| 72. | Bhutan | 50,914 | 1981 | |
| 73. | Comoros | 44,179 | 1981 | |
| 74. | Cape Verde | 43,043 | 1981 | |
| 75. | Djibouti | 39,909 | 1981 | |
| 76. | Bahrain | 37,788 | 1981 | |
| 77. | Solomon Islands | 31,556 | 1981 | |
| 78. | The Bahamas | 27,875 | 1981 | |
| 79. | Barbados | 27,295 | 1981 | |
| 80. | Samoa | 23,660 | 1981 | |
| 81. | Brunei | 21,331 | 1981 | |
| 82. | Belize | 20,457 | 1981 | |
| 83. | Saint Lucia | 17,739 | 1981 | |
| 84. | Western Sahara | 16,961 | 1981 | |
| 85. | Vanuatu | 15,217 | 1981 | |
| 86. | Sao Tome and Principe | 11,831 | 1981 | |
| 87. | Dominica | 11,508 | 1981 | |
| 88. | Grenada | 11,483 | 1981 | |
| 89. | Seychelles | 7,803 | 1981 | |
| 90. | Aruba | 5,472 | 1981 | |
| 91. | Saint Kitts and Nevis | 5,294 | 1981 | |
| 92. | Tuvalu | 858 | 1981 |
