The World: Population - Female - Age 20-24 (1981) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 1. | United States of America | 10,804,949 | 1981 | |
| 2. | Indonesia | 7,477,435 | 1981 | |
| 3. | Brazil | 5,949,692 | 1981 | |
| 4. | Bangladesh | 3,947,164 | 1981 | |
| 5. | Pakistan | 3,822,424 | 1981 | |
| 6. | Mexico | 3,344,688 | 1981 | |
| 7. | Nigeria | 3,239,520 | 1981 | |
| 8. | Philippines | 2,519,320 | 1981 | |
| 9. | Turkey | 2,043,259 | 1981 | |
| 10. | Ethiopia | 1,629,957 | 1981 | |
| 11. | Myanmar | 1,607,790 | 1981 | |
| 12. | Colombia | 1,417,051 | 1981 | |
| 13. | Democratic Republic of the Congo | 1,267,004 | 1981 | |
| 14. | Argentina | 1,127,609 | 1981 | |
| 15. | Tanzania | 838,732 | 1981 | |
| 16. | Peru | 807,221 | 1981 | |
| 17. | Sri Lanka | 771,590 | 1981 | |
| 18. | Kenya | 742,859 | 1981 | |
| 19. | Malaysia | 671,809 | 1981 | |
| 20. | Nepal | 625,923 | 1981 | |
| 21. | Afghanistan | 596,865 | 1981 | |
| 22. | Mozambique | 555,955 | 1981 | |
| 23. | Uganda | 554,262 | 1981 | |
| 24. | Ghana | 491,780 | 1981 | |
| 25. | Cameroon | 393,877 | 1981 | |
| 26. | Madagascar | 386,068 | 1981 | |
| 27. | Cambodia | 363,155 | 1981 | |
| 28. | Syria | 362,452 | 1981 | |
| 29. | Angola | 320,837 | 1981 | |
| 30. | Cote d'Ivoire | 319,973 | 1981 | |
| 31. | Guatemala | 302,867 | 1981 | |
| 32. | Mali | 302,290 | 1981 | |
| 33. | Malawi | 283,760 | 1981 | |
| 34. | Dominican Republic | 282,563 | 1981 | |
| 35. | Serbia | 279,741 | 1981 | |
| 36. | Somalia | 275,795 | 1981 | |
| 37. | Niger | 268,419 | 1981 | |
| 38. | Burkina Faso | 261,451 | 1981 | |
| 39. | Senegal | 256,832 | 1981 | |
| 40. | Zambia | 252,555 | 1981 | |
| 41. | Haiti | 252,416 | 1981 | |
| 42. | Rwanda | 243,089 | 1981 | |
| 43. | Burundi | 213,662 | 1981 | |
| 44. | Guinea | 200,169 | 1981 | |
| 45. | Chad | 196,246 | 1981 | |
| 46. | Honduras | 160,937 | 1981 | |
| 47. | Paraguay | 156,070 | 1981 | |
| 48. | Benin | 153,840 | 1981 | |
| 49. | Lebanon | 145,448 | 1981 | |
| 50. | Nicaragua | 132,445 | 1981 | |
| 51. | Papua New Guinea | 120,463 | 1981 | |
| 52. | Togo | 118,174 | 1981 | |
| 53. | Sierra Leone | 117,948 | 1981 | |
| 54. | Libya | 114,419 | 1981 | |
| 55. | Eritrea | 100,646 | 1981 | |
| 56. | Central African Republic | 97,917 | 1981 | |
| 57. | Panama | 90,054 | 1981 | |
| 58. | Jordan | 86,685 | 1981 | |
| 59. | Liberia | 80,554 | 1981 | |
| 60. | Republic of Congo | 78,000 | 1981 | |
| 61. | Mauritania | 68,238 | 1981 | |
| 62. | Kosovo | 66,440 | 1981 | |
| 63. | Lesotho | 64,079 | 1981 | |
| 64. | Trinidad and Tobago | 58,397 | 1981 | |
| 65. | Botswana | 45,308 | 1981 | |
| 66. | Namibia | 44,863 | 1981 | |
| 67. | Guyana | 38,492 | 1981 | |
| 68. | Guinea-Bissau | 38,071 | 1981 | |
| 69. | Gabon | 31,960 | 1981 | |
| 70. | Swaziland | 28,453 | 1981 | |
| 71. | Bhutan | 17,378 | 1981 | |
| 72. | Suriname | 17,253 | 1981 | |
| 73. | Bahrain | 16,835 | 1981 | |
| 74. | Cape Verde | 15,313 | 1981 | |
| 75. | Djibouti | 14,677 | 1981 | |
| 76. | Comoros | 14,112 | 1981 | |
| 77. | Barbados | 13,046 | 1981 | |
| 78. | The Bahamas | 10,791 | 1981 | |
| 79. | Brunei | 10,339 | 1981 | |
| 80. | Solomon Islands | 9,145 | 1981 | |
| 81. | Samoa | 7,169 | 1981 | |
| 82. | Belize | 6,529 | 1981 | |
| 83. | Western Sahara | 6,426 | 1981 | |
| 84. | Saint Lucia | 5,535 | 1981 | |
| 85. | Vanuatu | 5,295 | 1981 | |
| 86. | Grenada | 4,765 | 1981 | |
| 87. | Sao Tome and Principe | 4,024 | 1981 | |
| 88. | Seychelles | 3,141 | 1981 | |
| 89. | Dominica | 3,132 | 1981 | |
| 90. | Aruba | 3,084 | 1981 | |
| 91. | Saint Kitts and Nevis | 2,424 | 1981 | |
| 92. | Tuvalu | 440 | 1981 |
