The World: Population - Age 30-34 (2017) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 47. | Afghanistan | 2,107,992 | 2017 | |
| 138. | Albania | 247,262 | 2017 | |
| 29. | Algeria | 3,619,171 | 2017 | |
| 202. | American Samoa | 4,877 | 2017 | |
| 204. | Andorra | 4,602 | 2017 | |
| 62. | Angola | 1,317,260 | 2017 | |
| 221. | Anguilla | 1,178 | 2017 | |
| 198. | Antigua and Barbuda | 6,718 | 2017 | |
| 33. | Argentina | 3,222,026 | 2017 | |
| 132. | Armenia | 288,934 | 2017 | |
| 191. | Aruba | 8,218 | 2017 | |
| 55. | Australia | 1,659,890 | 2017 | |
| 102. | Austria | 514,145 | 2017 | |
| 77. | Azerbaijan | 872,065 | 2017 | |
| 147. | Bahrain | 162,863 | 2017 | |
| 7. | Bangladesh | 12,750,300 | 2017 | |
| 182. | Barbados | 20,971 | 2017 | |
| 78. | Belarus | 815,950 | 2017 | |
| 92. | Belgium | 632,991 | 2017 | |
| 176. | Belize | 27,929 | 2017 | |
| 86. | Benin | 716,113 | 2017 | |
| 206. | Bermuda | 4,174 | 2017 | |
| 161. | Bhutan | 72,548 | 2017 | |
| 76. | Bolivia | 902,590 | 2017 | |
| 124. | Bosnia and Herzegovina | 322,926 | 2017 | |
| 143. | Botswana | 200,755 | 2017 | |
| 5. | Brazil | 16,945,812 | 2017 | |
| 212. | British Virgin Islands | 3,036 | 2017 | |
| 172. | Brunei | 42,810 | 2017 | |
| 110. | Bulgaria | 476,359 | 2017 | |
| 66. | Burkina Faso | 1,252,445 | 2017 | |
| 83. | Burundi | 785,579 | 2017 | |
| 59. | Cambodia | 1,484,513 | 2017 | |
| 56. | Cameroon | 1,624,767 | 2017 | |
| 43. | Canada | 2,377,901 | 2017 | |
| 170. | Cape Verde | 46,887 | 2017 | |
| 209. | Cayman Islands | 3,707 | 2017 | |
| 117. | Central African Republic | 396,038 | 2017 | |
| 82. | Chad | 791,237 | 2017 | |
| 194. | Channel Islands | 7,515 | 2017 | |
| 63. | Chile | 1,294,825 | 2017 | |
| 1. | China | 106,032,856 | 2017 | |
| 27. | Colombia | 3,664,031 | 2017 | |
| 163. | Comoros | 56,044 | 2017 | |
| 227. | Cook Islands | 433 | 2017 | |
| 114. | Costa Rica | 424,139 | 2017 | |
| 50. | Cote d'Ivoire | 1,804,999 | 2017 | |
| 129. | Croatia | 304,282 | 2017 | |
| 84. | Cuba | 763,032 | 2017 | |
| 157. | Cyprus | 105,960 | 2017 | |
| 91. | Czech Republic | 680,485 | 2017 | |
| 18. | Democratic Republic of the Congo | 5,506,346 | 2017 | |
| 128. | Denmark | 308,591 | 2017 | |
| 162. | Djibouti | 72,255 | 2017 | |
| 200. | Dominica | 5,530 | 2017 | |
| 79. | Dominican Republic | 805,735 | 2017 | |
| 156. | East Timor | 113,008 | 2017 | |
| 64. | Ecuador | 1,265,357 | 2017 | |
| 14. | Egypt | 7,771,660 | 2017 | |
| 112. | El Salvador | 459,407 | 2017 | |
| 167. | Equatorial Guinea | 51,311 | 2017 | |
| 111. | Eritrea | 460,708 | 2017 | |
| 159. | Estonia | 92,586 | 2017 | |
| 16. | Ethiopia | 6,903,721 | 2017 | |
| 213. | Faroe Islands | 2,642 | 2017 | |
| 192. | Federated States of Micronesia | 8,218 | 2017 | |
| 160. | Fiji | 73,778 | 2017 | |
| 123. | Finland | 325,741 | 2017 | |
| 24. | France | 4,133,952 | 2017 | |
| 178. | French Polynesia | 23,225 | 2017 | |
| 155. | Gabon | 116,368 | 2017 | |
| 151. | Gaza Strip | 128,582 | 2017 | |
| 121. | Georgia | 347,334 | 2017 | |
| 20. | Germany | 4,922,322 | 2017 | |
| 46. | Ghana | 2,183,664 | 2017 | |
| 215. | Gibraltar | 2,217 | 2017 | |
| 89. | Greece | 692,226 | 2017 | |
| 208. | Greenland | 3,831 | 2017 | |
| 189. | Grenada | 9,581 | 2017 | |
| 185. | Guam | 13,104 | 2017 | |
| 68. | Guatemala | 1,146,462 | 2017 | |
| 205. | Guernsey | 4,325 | 2017 | |
| 81. | Guinea | 794,124 | 2017 | |
| 152. | Guinea-Bissau | 126,168 | 2017 | |
| 168. | Guyana | 48,616 | 2017 | |
| 80. | Haiti | 803,319 | 2017 | |
| 87. | Honduras | 708,345 | 2017 | |
| 106. | Hong Kong | 489,617 | 2017 | |
| 93. | Hungary | 624,345 | 2017 | |
| 179. | Iceland | 21,387 | 2017 | |
| 2. | India | 99,609,608 | 2017 | |
| 4. | Indonesia | 20,006,904 | 2017 | |
| 11. | Iran | 8,815,155 | 2017 | |
| 39. | Iraq | 2,800,775 | 2017 | |
| 118. | Ireland | 374,405 | 2017 | |
| 203. | Isle of Man | 4,829 | 2017 | |
| 98. | Israel | 570,597 | 2017 | |
| 28. | Italy | 3,646,408 | 2017 | |
| 139. | Jamaica | 245,274 | 2017 | |
| 15. | Japan | 7,178,085 | 2017 |
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