The World: Population - Age 15-19 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 28. | Afghanistan | 3,878,103 | 2020 | |
| 139. | Albania | 211,389 | 2020 | |
| 41. | Algeria | 2,782,209 | 2020 | |
| 196. | American Samoa | 6,846 | 2020 | |
| 203. | Andorra | 4,587 | 2020 | |
| 51. | Angola | 2,417,747 | 2020 | |
| 220. | Anguilla | 1,281 | 2020 | |
| 194. | Antigua and Barbuda | 7,645 | 2020 | |
| 32. | Argentina | 3,520,541 | 2020 | |
| 148. | Armenia | 155,504 | 2020 | |
| 197. | Aruba | 6,736 | 2020 | |
| 71. | Australia | 1,413,986 | 2020 | |
| 112. | Austria | 396,041 | 2020 | |
| 94. | Azerbaijan | 645,219 | 2020 | |
| 152. | Bahrain | 101,101 | 2020 | |
| 7. | Bangladesh | 18,101,532 | 2020 | |
| 185. | Barbados | 18,125 | 2020 | |
| 108. | Belarus | 444,998 | 2020 | |
| 101. | Belgium | 565,007 | 2020 | |
| 170. | Belize | 38,953 | 2020 | |
| 72. | Benin | 1,331,887 | 2020 | |
| 204. | Bermuda | 4,237 | 2020 | |
| 164. | Bhutan | 68,536 | 2020 | |
| 77. | Bolivia | 1,161,456 | 2020 | |
| 142. | Bosnia and Herzegovina | 196,944 | 2020 | |
| 135. | Botswana | 237,250 | 2020 | |
| 8. | Brazil | 17,843,968 | 2020 | |
| 213. | British Virgin Islands | 2,144 | 2020 | |
| 171. | Brunei | 34,761 | 2020 | |
| 118. | Bulgaria | 329,989 | 2020 | |
| 53. | Burkina Faso | 2,377,247 | 2020 | |
| 69. | Burundi | 1,473,685 | 2020 | |
| 67. | Cambodia | 1,504,661 | 2020 | |
| 45. | Cameroon | 2,574,059 | 2020 | |
| 57. | Canada | 1,970,853 | 2020 | |
| 168. | Cape Verde | 54,304 | 2020 | |
| 206. | Cayman Islands | 3,578 | 2020 | |
| 95. | Central African Republic | 633,493 | 2020 | |
| 66. | Chad | 1,523,875 | 2020 | |
| 200. | Channel Islands | 5,581 | 2020 | |
| 74. | Chile | 1,252,152 | 2020 | |
| 2. | China | 74,737,872 | 2020 | |
| 27. | Colombia | 3,940,464 | 2020 | |
| 153. | Comoros | 98,052 | 2020 | |
| 224. | Cook Islands | 637 | 2020 | |
| 114. | Costa Rica | 371,841 | 2020 | |
| 42. | Cote d'Ivoire | 2,781,738 | 2020 | |
| 137. | Croatia | 215,935 | 2020 | |
| 93. | Cuba | 650,227 | 2020 | |
| 165. | Cyprus | 67,074 | 2020 | |
| 107. | Czech Republic | 467,004 | 2020 | |
| 12. | Democratic Republic of the Congo | 10,111,807 | 2020 | |
| 117. | Denmark | 346,577 | 2020 | |
| 157. | Djibouti | 91,052 | 2020 | |
| 202. | Dominica | 4,752 | 2020 | |
| 82. | Dominican Republic | 973,189 | 2020 | |
| 150. | East Timor | 127,654 | 2020 | |
| 68. | Ecuador | 1,498,273 | 2020 | |
| 13. | Egypt | 8,794,595 | 2020 | |
| 100. | El Salvador | 577,239 | 2020 | |
| 158. | Equatorial Guinea | 89,386 | 2020 | |
| 85. | Eritrea | 813,265 | 2020 | |
| 167. | Estonia | 61,757 | 2020 | |
| 9. | Ethiopia | 13,205,705 | 2020 | |
| 207. | Faroe Islands | 3,553 | 2020 | |
| 190. | Federated States of Micronesia | 10,294 | 2020 | |
| 161. | Fiji | 73,108 | 2020 | |
| 127. | Finland | 283,602 | 2020 | |
| 26. | France | 4,101,315 | 2020 | |
| 180. | French Polynesia | 21,883 | 2020 | |
| 140. | Gabon | 209,120 | 2020 | |
| 134. | Gaza Strip | 237,550 | 2020 | |
| 138. | Georgia | 214,474 | 2020 | |
| 30. | Germany | 3,677,824 | 2020 | |
| 38. | Ghana | 2,956,342 | 2020 | |
| 216. | Gibraltar | 1,866 | 2020 | |
| 103. | Greece | 519,550 | 2020 | |
| 205. | Greenland | 4,012 | 2020 | |
| 192. | Grenada | 8,225 | 2020 | |
| 186. | Guam | 16,551 | 2020 | |
| 63. | Guatemala | 1,703,680 | 2020 | |
| 210. | Guernsey | 3,270 | 2020 | |
| 70. | Guinea | 1,423,751 | 2020 | |
| 141. | Guinea-Bissau | 201,943 | 2020 | |
| 160. | Guyana | 79,900 | 2020 | |
| 78. | Haiti | 1,132,641 | 2020 | |
| 81. | Honduras | 991,216 | 2020 | |
| 129. | Hong Kong | 274,689 | 2020 | |
| 105. | Hungary | 499,834 | 2020 | |
| 182. | Iceland | 20,990 | 2020 | |
| 1. | India | 116,858,688 | 2020 | |
| 4. | Indonesia | 22,385,558 | 2020 | |
| 17. | Iran | 6,013,466 | 2020 | |
| 29. | Iraq | 3,810,559 | 2020 | |
| 120. | Ireland | 321,329 | 2020 | |
| 201. | Isle of Man | 4,849 | 2020 | |
| 90. | Israel | 702,302 | 2020 | |
| 37. | Italy | 2,957,462 | 2020 | |
| 126. | Jamaica | 288,547 | 2020 | |
| 21. | Japan | 5,746,194 | 2020 |
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