The World: Population - Age 15-19 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 176. | Mayotte | 28,802 | 2018 | |
| 153. | Mauritius | 97,729 | 2018 | |
| 112. | Mauritania | 402,371 | 2018 | |
| 195. | Marshall Islands | 7,656 | 2018 | |
| 183. | Malta | 21,328 | 2018 | |
| 57. | Mali | 1,899,035 | 2018 | |
| 173. | Maldives | 31,610 | 2018 | |
| 42. | Malaysia | 2,755,258 | 2018 | |
| 54. | Malawi | 2,140,088 | 2018 | |
| 40. | Madagascar | 2,822,186 | 2018 | |
| 150. | Macedonia | 130,112 | 2018 | |
| 175. | Macau | 29,247 | 2018 | |
| 172. | Luxembourg | 33,037 | 2018 | |
| 148. | Lithuania | 160,501 | 2018 | |
| 213. | Liechtenstein | 2,177 | 2018 | |
| 90. | Libya | 690,337 | 2018 | |
| 103. | Liberia | 512,177 | 2018 | |
| 142. | Lesotho | 196,231 | 2018 | |
| 121. | Lebanon | 307,856 | 2018 | |
| 155. | Latvia | 91,979 | 2018 | |
| 85. | Laos | 800,323 | 2018 | |
| 105. | Kyrgyzstan | 495,397 | 2018 | |
| 145. | Kuwait | 179,511 | 2018 | |
| 146. | Kosovo | 170,102 | 2018 | |
| 188. | Kiribati | 11,489 | 2018 | |
| 21. | Kenya | 5,288,673 | 2018 | |
| 76. | Kazakhstan | 1,181,945 | 2018 | |
| 92. | Jordan | 657,658 | 2018 | |
| 17. | Japan | 5,939,949 | 2018 | |
| 125. | Jamaica | 297,414 | 2018 | |
| 36. | Italy | 2,930,478 | 2018 | |
| 91. | Israel | 682,004 | 2018 | |
| 201. | Isle of Man | 4,938 | 2018 | |
| 120. | Ireland | 310,332 | 2018 | |
| 30. | Iraq | 3,677,843 | 2018 | |
| 18. | Iran | 5,918,938 | 2018 | |
| 3. | Indonesia | 22,475,386 | 2018 | |
| 1. | India | 116,848,872 | 2018 | |
| 182. | Iceland | 21,412 | 2018 | |
| 104. | Hungary | 501,370 | 2018 | |
| 128. | Hong Kong | 282,224 | 2018 | |
| 82. | Honduras | 989,500 | 2018 | |
| 77. | Haiti | 1,143,280 | 2018 | |
| 160. | Guyana | 83,251 | 2018 | |
| 143. | Guinea-Bissau | 194,932 | 2018 | |
| 71. | Guinea | 1,357,215 | 2018 | |
| 210. | Guernsey | 3,369 | 2018 | |
| 61. | Guatemala | 1,700,777 | 2018 | |
| 186. | Guam | 17,147 | 2018 | |
| 192. | Grenada | 8,017 | 2018 | |
| 205. | Greenland | 4,081 | 2018 | |
| 102. | Greece | 514,086 | 2018 | |
| 216. | Gibraltar | 1,856 | 2018 | |
| 38. | Ghana | 2,868,163 | 2018 | |
| 29. | Germany | 3,824,145 | 2018 | |
| 136. | Georgia | 223,993 | 2018 | |
| 139. | Gaza Strip | 219,459 | 2018 | |
| 141. | Gabon | 199,760 | 2018 | |
| 179. | French Polynesia | 22,593 | 2018 | |
| 26. | France | 4,065,983 | 2018 | |
| 127. | Finland | 288,128 | 2018 | |
| 161. | Fiji | 71,944 | 2018 | |
| 190. | Federated States of Micronesia | 10,707 | 2018 | |
| 208. | Faroe Islands | 3,525 | 2018 | |
| 9. | Ethiopia | 12,244,632 | 2018 | |
| 167. | Estonia | 60,485 | 2018 | |
| 86. | Eritrea | 783,653 | 2018 | |
| 159. | Equatorial Guinea | 84,999 | 2018 | |
| 98. | El Salvador | 611,185 | 2018 | |
| 13. | Egypt | 8,453,002 | 2018 | |
| 65. | Ecuador | 1,511,518 | 2018 | |
| 151. | East Timor | 127,757 | 2018 | |
| 81. | Dominican Republic | 993,339 | 2018 | |
| 202. | Dominica | 4,913 | 2018 | |
| 156. | Djibouti | 91,833 | 2018 | |
| 116. | Denmark | 353,977 | 2018 | |
| 12. | Democratic Republic of the Congo | 9,684,223 | 2018 | |
| 107. | Czech Republic | 460,741 | 2018 | |
| 165. | Cyprus | 68,700 | 2018 | |
| 89. | Cuba | 690,843 | 2018 | |
| 137. | Croatia | 223,224 | 2018 | |
| 45. | Cote d'Ivoire | 2,720,840 | 2018 | |
| 114. | Costa Rica | 384,287 | 2018 | |
| 225. | Cook Islands | 720 | 2018 | |
| 157. | Comoros | 91,281 | 2018 | |
| 27. | Colombia | 4,008,466 | 2018 | |
| 2. | China | 77,596,240 | 2018 | |
| 73. | Chile | 1,280,947 | 2018 | |
| 200. | Channel Islands | 5,806 | 2018 | |
| 66. | Chad | 1,474,356 | 2018 | |
| 99. | Central African Republic | 607,620 | 2018 | |
| 207. | Cayman Islands | 3,534 | 2018 | |
| 168. | Cape Verde | 55,448 | 2018 | |
| 55. | Canada | 1,961,720 | 2018 | |
| 48. | Cameroon | 2,467,519 | 2018 | |
| 67. | Cambodia | 1,451,206 | 2018 | |
| 70. | Burundi | 1,389,090 | 2018 | |
| 53. | Burkina Faso | 2,242,880 | 2018 | |
| 118. | Bulgaria | 324,836 | 2018 | |
| 171. | Brunei | 35,488 | 2018 |
