The World: Population - Age 30-34 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Denmark | 315,323 | 2018 | |
| 127. | Finland | 320,975 | 2018 | |
| 126. | Mongolia | 323,208 | 2018 | |
| 125. | Republic of Congo | 324,618 | 2018 | |
| 124. | Bosnia and Herzegovina | 325,464 | 2018 | |
| 123. | Liberia | 327,186 | 2018 | |
| 122. | Kuwait | 342,804 | 2018 | |
| 121. | Lebanon | 350,321 | 2018 | |
| 120. | Georgia | 352,736 | 2018 | |
| 119. | Oman | 360,328 | 2018 | |
| 118. | Ireland | 361,418 | 2018 | |
| 117. | Qatar | 400,775 | 2018 | |
| 116. | Central African Republic | 410,814 | 2018 | |
| 115. | Slovakia | 424,921 | 2018 | |
| 114. | Sierra Leone | 426,412 | 2018 | |
| 113. | Costa Rica | 429,332 | 2018 | |
| 112. | El Salvador | 467,078 | 2018 | |
| 111. | Eritrea | 468,545 | 2018 | |
| 110. | Bulgaria | 469,036 | 2018 | |
| 109. | Hong Kong | 471,506 | 2018 | |
| 108. | Serbia | 489,256 | 2018 | |
| 107. | Nicaragua | 496,368 | 2018 | |
| 106. | Papua New Guinea | 496,827 | 2018 | |
| 105. | Switzerland | 498,872 | 2018 | |
| 104. | Turkmenistan | 500,865 | 2018 | |
| 103. | Jordan | 509,912 | 2018 | |
| 102. | Austria | 512,074 | 2018 | |
| 101. | Kyrgyzstan | 541,940 | 2018 | |
| 100. | Laos | 563,838 | 2018 | |
| 99. | Israel | 574,334 | 2018 | |
| 98. | Paraguay | 576,344 | 2018 | |
| 97. | Togo | 592,728 | 2018 | |
| 96. | Sweden | 600,190 | 2018 | |
| 95. | Libya | 600,275 | 2018 | |
| 94. | Hungary | 622,471 | 2018 | |
| 93. | Singapore | 622,520 | 2018 | |
| 92. | Belgium | 634,603 | 2018 | |
| 91. | Greece | 666,762 | 2018 | |
| 90. | Czech Republic | 673,237 | 2018 | |
| 89. | Portugal | 680,923 | 2018 | |
| 88. | Somalia | 703,724 | 2018 | |
| 87. | Honduras | 726,175 | 2018 | |
| 86. | Benin | 737,774 | 2018 | |
| 85. | Tajikistan | 781,948 | 2018 | |
| 84. | Cuba | 782,536 | 2018 | |
| 83. | Belarus | 811,222 | 2018 | |
| 82. | Burundi | 811,917 | 2018 | |
| 81. | Guinea | 818,164 | 2018 | |
| 80. | Dominican Republic | 819,458 | 2018 | |
| 79. | Chad | 819,530 | 2018 | |
| 78. | Haiti | 825,919 | 2018 | |
| 77. | Azerbaijan | 903,007 | 2018 | |
| 76. | Tunisia | 907,801 | 2018 | |
| 75. | Bolivia | 922,210 | 2018 | |
| 74. | United Arab Emirates | 932,965 | 2018 | |
| 73. | Rwanda | 1,023,415 | 2018 | |
| 72. | Senegal | 1,025,012 | 2018 | |
| 71. | Mali | 1,049,181 | 2018 | |
| 70. | Netherlands | 1,060,104 | 2018 | |
| 69. | Zambia | 1,106,272 | 2018 | |
| 68. | Niger | 1,185,117 | 2018 | |
| 67. | Guatemala | 1,197,963 | 2018 | |
| 66. | Ecuador | 1,289,133 | 2018 | |
| 65. | Burkina Faso | 1,293,697 | 2018 | |
| 64. | Malawi | 1,298,758 | 2018 | |
| 63. | Chile | 1,311,612 | 2018 | |
| 62. | Angola | 1,355,901 | 2018 | |
| 61. | Zimbabwe | 1,432,255 | 2018 | |
| 60. | Mozambique | 1,518,981 | 2018 | |
| 59. | Cambodia | 1,520,953 | 2018 | |
| 58. | Kazakhstan | 1,625,958 | 2018 | |
| 57. | Sri Lanka | 1,648,101 | 2018 | |
| 56. | Romania | 1,664,875 | 2018 | |
| 55. | Cameroon | 1,669,384 | 2018 | |
| 54. | Australia | 1,671,966 | 2018 | |
| 53. | Taiwan | 1,677,338 | 2018 | |
| 52. | Madagascar | 1,755,341 | 2018 | |
| 51. | North Korea | 1,807,777 | 2018 | |
| 50. | Cote d'Ivoire | 1,866,092 | 2018 | |
| 49. | Syria | 2,046,381 | 2018 | |
| 48. | Yemen | 2,161,641 | 2018 | |
| 47. | Afghanistan | 2,230,438 | 2018 | |
| 46. | Ghana | 2,261,832 | 2018 | |
| 45. | Venezuela | 2,274,019 | 2018 | |
| 44. | Peru | 2,361,789 | 2018 | |
| 43. | Canada | 2,382,491 | 2018 | |
| 42. | Malaysia | 2,412,835 | 2018 | |
| 41. | Uganda | 2,609,703 | 2018 | |
| 40. | Nepal | 2,671,605 | 2018 | |
| 39. | Iraq | 2,832,504 | 2018 | |
| 38. | Uzbekistan | 2,905,176 | 2018 | |
| 37. | Morocco | 2,917,778 | 2018 | |
| 36. | Poland | 3,055,667 | 2018 | |
| 35. | Saudi Arabia | 3,119,066 | 2018 | |
| 34. | Spain | 3,146,060 | 2018 | |
| 33. | South Korea | 3,205,275 | 2018 | |
| 32. | Argentina | 3,238,590 | 2018 | |
| 31. | Italy | 3,602,543 | 2018 | |
| 30. | Tanzania | 3,606,381 | 2018 | |
| 29. | Algeria | 3,624,430 | 2018 |
