The World: Population - Age 25-29 (2016) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 41. | Afghanistan | 2,705,387 | 2016 | |
| 135. | Albania | 287,113 | 2016 | |
| 29. | Algeria | 3,566,258 | 2016 | |
| 200. | American Samoa | 5,841 | 2016 | |
| 208. | Andorra | 3,833 | 2016 | |
| 61. | Angola | 1,528,800 | 2016 | |
| 221. | Anguilla | 1,217 | 2016 | |
| 197. | Antigua and Barbuda | 6,816 | 2016 | |
| 32. | Argentina | 3,342,261 | 2016 | |
| 130. | Armenia | 308,149 | 2016 | |
| 195. | Aruba | 7,480 | 2016 | |
| 57. | Australia | 1,647,523 | 2016 | |
| 108. | Austria | 507,371 | 2016 | |
| 75. | Azerbaijan | 964,919 | 2016 | |
| 153. | Bahrain | 141,162 | 2016 | |
| 8. | Bangladesh | 13,653,344 | 2016 | |
| 182. | Barbados | 20,387 | 2016 | |
| 88. | Belarus | 753,662 | 2016 | |
| 93. | Belgium | 647,534 | 2016 | |
| 175. | Belize | 31,966 | 2016 | |
| 86. | Benin | 820,661 | 2016 | |
| 205. | Bermuda | 4,206 | 2016 | |
| 161. | Bhutan | 77,557 | 2016 | |
| 74. | Bolivia | 973,599 | 2016 | |
| 123. | Bosnia and Herzegovina | 334,779 | 2016 | |
| 143. | Botswana | 222,200 | 2016 | |
| 6. | Brazil | 16,820,052 | 2016 | |
| 212. | British Virgin Islands | 2,978 | 2016 | |
| 173. | Brunei | 42,021 | 2016 | |
| 113. | Bulgaria | 447,382 | 2016 | |
| 63. | Burkina Faso | 1,474,719 | 2016 | |
| 79. | Burundi | 908,665 | 2016 | |
| 56. | Cambodia | 1,655,900 | 2016 | |
| 54. | Cameroon | 1,885,256 | 2016 | |
| 47. | Canada | 2,371,070 | 2016 | |
| 166. | Cape Verde | 53,152 | 2016 | |
| 210. | Cayman Islands | 3,588 | 2016 | |
| 111. | Central African Republic | 466,396 | 2016 | |
| 76. | Chad | 923,652 | 2016 | |
| 191. | Channel Islands | 8,811 | 2016 | |
| 65. | Chile | 1,427,199 | 2016 | |
| 1. | China | 122,522,720 | 2016 | |
| 27. | Colombia | 4,009,445 | 2016 | |
| 163. | Comoros | 60,189 | 2016 | |
| 224. | Cook Islands | 566 | 2016 | |
| 114. | Costa Rica | 432,759 | 2016 | |
| 50. | Cote d'Ivoire | 2,111,294 | 2016 | |
| 137. | Croatia | 278,343 | 2016 | |
| 85. | Cuba | 834,975 | 2016 | |
| 156. | Cyprus | 105,619 | 2016 | |
| 90. | Czech Republic | 652,296 | 2016 | |
| 17. | Democratic Republic of the Congo | 6,583,922 | 2016 | |
| 121. | Denmark | 342,350 | 2016 | |
| 160. | Djibouti | 85,763 | 2016 | |
| 201. | Dominica | 5,815 | 2016 | |
| 81. | Dominican Republic | 874,235 | 2016 | |
| 154. | East Timor | 126,685 | 2016 | |
| 67. | Ecuador | 1,352,641 | 2016 | |
| 15. | Egypt | 7,534,145 | 2016 | |
| 106. | El Salvador | 528,474 | 2016 | |
| 164. | Equatorial Guinea | 58,825 | 2016 | |
| 107. | Eritrea | 521,752 | 2016 | |
| 159. | Estonia | 94,620 | 2016 | |
| 14. | Ethiopia | 8,107,773 | 2016 | |
| 209. | Faroe Islands | 3,825 | 2016 | |
| 192. | Federated States of Micronesia | 8,680 | 2016 | |
| 162. | Fiji | 73,313 | 2016 | |
| 127. | Finland | 322,457 | 2016 | |
| 26. | France | 4,104,231 | 2016 | |
| 178. | French Polynesia | 24,525 | 2016 | |
| 152. | Gabon | 142,229 | 2016 | |
| 148. | Gaza Strip | 167,858 | 2016 | |
| 119. | Georgia | 360,051 | 2016 | |
| 19. | Germany | 5,056,160 | 2016 | |
| 44. | Ghana | 2,480,260 | 2016 | |
| 215. | Gibraltar | 2,385 | 2016 | |
| 99. | Greece | 590,772 | 2016 | |
| 203. | Greenland | 4,556 | 2016 | |
| 190. | Grenada | 9,436 | 2016 | |
| 185. | Guam | 14,598 | 2016 | |
| 66. | Guatemala | 1,379,313 | 2016 | |
| 204. | Guernsey | 4,469 | 2016 | |
| 78. | Guinea | 916,538 | 2016 | |
| 151. | Guinea-Bissau | 145,175 | 2016 | |
| 165. | Guyana | 57,992 | 2016 | |
| 77. | Haiti | 922,956 | 2016 | |
| 87. | Honduras | 799,066 | 2016 | |
| 115. | Hong Kong | 424,260 | 2016 | |
| 97. | Hungary | 625,257 | 2016 | |
| 179. | Iceland | 23,001 | 2016 | |
| 2. | India | 104,256,648 | 2016 | |
| 4. | Indonesia | 20,286,900 | 2016 | |
| 12. | Iran | 9,268,806 | 2016 | |
| 38. | Iraq | 2,921,611 | 2016 | |
| 128. | Ireland | 315,400 | 2016 | |
| 202. | Isle of Man | 5,087 | 2016 | |
| 100. | Israel | 581,695 | 2016 | |
| 31. | Italy | 3,360,566 | 2016 | |
| 136. | Jamaica | 285,975 | 2016 | |
| 18. | Japan | 6,369,932 | 2016 |
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