The World: Population - Age 30-34 (2023) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Mongolia | 320,884 | 2023 | |
| 127. | New Zealand | 322,586 | 2023 | |
| 126. | Ireland | 326,540 | 2023 | |
| 125. | Norway | 326,677 | 2023 | |
| 124. | Finland | 331,433 | 2023 | |
| 123. | Georgia | 338,651 | 2023 | |
| 122. | Lebanon | 339,617 | 2023 | |
| 121. | Kuwait | 353,288 | 2023 | |
| 120. | Denmark | 366,042 | 2023 | |
| 119. | Oman | 382,803 | 2023 | |
| 118. | Slovakia | 382,840 | 2023 | |
| 117. | Bulgaria | 388,601 | 2023 | |
| 116. | Republic of Congo | 391,365 | 2023 | |
| 115. | Qatar | 396,387 | 2023 | |
| 114. | Costa Rica | 431,092 | 2023 | |
| 113. | Serbia | 441,843 | 2023 | |
| 112. | Hong Kong | 444,033 | 2023 | |
| 111. | Central African Republic | 465,376 | 2023 | |
| 110. | Sierra Leone | 477,662 | 2023 | |
| 109. | Switzerland | 512,918 | 2023 | |
| 108. | El Salvador | 521,407 | 2023 | |
| 107. | Austria | 522,573 | 2023 | |
| 106. | Turkmenistan | 523,131 | 2023 | |
| 105. | Eritrea | 548,365 | 2023 | |
| 104. | Jordan | 559,245 | 2023 | |
| 103. | Kyrgyzstan | 561,199 | 2023 | |
| 102. | Papua New Guinea | 567,140 | 2023 | |
| 101. | Nicaragua | 590,803 | 2023 | |
| 100. | Greece | 593,903 | 2023 | |
| 99. | Israel | 596,068 | 2023 | |
| 98. | Libya | 600,988 | 2023 | |
| 97. | Hungary | 620,766 | 2023 | |
| 96. | Portugal | 643,806 | 2023 | |
| 95. | Czech Republic | 643,933 | 2023 | |
| 94. | Paraguay | 658,724 | 2023 | |
| 93. | Laos | 659,665 | 2023 | |
| 92. | Belgium | 666,482 | 2023 | |
| 91. | Togo | 670,783 | 2023 | |
| 90. | Sweden | 673,777 | 2023 | |
| 89. | Belarus | 675,763 | 2023 | |
| 88. | Singapore | 683,804 | 2023 | |
| 87. | Cuba | 785,800 | 2023 | |
| 86. | Honduras | 808,042 | 2023 | |
| 85. | Tajikistan | 812,617 | 2023 | |
| 84. | Tunisia | 818,885 | 2023 | |
| 83. | Somalia | 833,504 | 2023 | |
| 82. | Benin | 859,094 | 2023 | |
| 81. | Dominican Republic | 878,477 | 2023 | |
| 80. | Chad | 916,519 | 2023 | |
| 79. | Burundi | 929,297 | 2023 | |
| 78. | Haiti | 933,541 | 2023 | |
| 77. | Guinea | 946,317 | 2023 | |
| 76. | Azerbaijan | 967,812 | 2023 | |
| 75. | Bolivia | 983,560 | 2023 | |
| 74. | United Arab Emirates | 1,004,643 | 2023 | |
| 73. | Rwanda | 1,075,859 | 2023 | |
| 72. | Netherlands | 1,128,053 | 2023 | |
| 71. | Senegal | 1,179,965 | 2023 | |
| 70. | Mali | 1,211,410 | 2023 | |
| 69. | Zambia | 1,229,515 | 2023 | |
| 68. | Ecuador | 1,369,860 | 2023 | |
| 67. | Zimbabwe | 1,372,603 | 2023 | |
| 66. | Romania | 1,403,815 | 2023 | |
| 65. | Niger | 1,414,241 | 2023 | |
| 64. | Guatemala | 1,429,836 | 2023 | |
| 63. | Chile | 1,450,056 | 2023 | |
| 62. | Malawi | 1,491,437 | 2023 | |
| 61. | Burkina Faso | 1,540,902 | 2023 | |
| 60. | Taiwan | 1,572,755 | 2023 | |
| 59. | Angola | 1,590,752 | 2023 | |
| 58. | Sri Lanka | 1,600,925 | 2023 | |
| 57. | Kazakhstan | 1,618,725 | 2023 | |
| 56. | Cambodia | 1,665,873 | 2023 | |
| 55. | Australia | 1,763,341 | 2023 | |
| 54. | Cameroon | 1,866,839 | 2023 | |
| 53. | North Korea | 2,008,844 | 2023 | |
| 52. | Mozambique | 2,046,439 | 2023 | |
| 51. | Madagascar | 2,092,433 | 2023 | |
| 50. | Cote d'Ivoire | 2,125,957 | 2023 | |
| 49. | Syria | 2,167,043 | 2023 | |
| 48. | Malaysia | 2,433,911 | 2023 | |
| 47. | Yemen | 2,446,131 | 2023 | |
| 46. | Canada | 2,503,142 | 2023 | |
| 45. | Ghana | 2,515,367 | 2023 | |
| 44. | Poland | 2,552,960 | 2023 | |
| 43. | Venezuela | 2,569,510 | 2023 | |
| 42. | Peru | 2,676,877 | 2023 | |
| 41. | Morocco | 2,743,874 | 2023 | |
| 40. | Afghanistan | 2,854,711 | 2023 | |
| 39. | Iraq | 2,922,633 | 2023 | |
| 38. | Spain | 2,946,366 | 2023 | |
| 37. | Ukraine | 2,984,235 | 2023 | |
| 36. | Uzbekistan | 3,054,625 | 2023 | |
| 35. | Uganda | 3,222,530 | 2023 | |
| 34. | Nepal | 3,227,855 | 2023 | |
| 33. | South Korea | 3,256,467 | 2023 | |
| 32. | Saudi Arabia | 3,288,093 | 2023 | |
| 31. | Argentina | 3,353,679 | 2023 | |
| 30. | Algeria | 3,520,777 | 2023 | |
| 29. | Italy | 3,535,182 | 2023 |
