The World: Population - Age 20-24 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 182. | Mayotte | 21,350 | 2019 | |
| 154. | Mauritius | 98,323 | 2019 | |
| 117. | Mauritania | 364,530 | 2019 | |
| 197. | Marshall Islands | 6,766 | 2019 | |
| 177. | Malta | 24,431 | 2019 | |
| 62. | Mali | 1,580,377 | 2019 | |
| 170. | Maldives | 41,094 | 2019 | |
| 45. | Malaysia | 2,586,235 | 2019 | |
| 58. | Malawi | 1,890,044 | 2019 | |
| 46. | Madagascar | 2,521,417 | 2019 | |
| 151. | Macedonia | 145,916 | 2019 | |
| 173. | Macau | 35,993 | 2019 | |
| 174. | Luxembourg | 35,507 | 2019 | |
| 145. | Lithuania | 186,361 | 2019 | |
| 214. | Liechtenstein | 2,292 | 2019 | |
| 97. | Libya | 612,071 | 2019 | |
| 113. | Liberia | 426,780 | 2019 | |
| 146. | Lesotho | 182,485 | 2019 | |
| 121. | Lebanon | 320,745 | 2019 | |
| 158. | Latvia | 90,627 | 2019 | |
| 87. | Laos | 729,114 | 2019 | |
| 105. | Kyrgyzstan | 515,877 | 2019 | |
| 137. | Kuwait | 259,852 | 2019 | |
| 150. | Kosovo | 160,056 | 2019 | |
| 188. | Kiribati | 11,464 | 2019 | |
| 24. | Kenya | 4,292,846 | 2019 | |
| 70. | Kazakhstan | 1,287,372 | 2019 | |
| 92. | Jordan | 639,140 | 2019 | |
| 18. | Japan | 6,218,098 | 2019 | |
| 122. | Jamaica | 318,187 | 2019 | |
| 36. | Italy | 3,034,755 | 2019 | |
| 93. | Israel | 637,010 | 2019 | |
| 202. | Isle of Man | 5,168 | 2019 | |
| 127. | Ireland | 299,271 | 2019 | |
| 32. | Iraq | 3,371,828 | 2019 | |
| 17. | Iran | 6,388,100 | 2019 | |
| 3. | Indonesia | 22,136,944 | 2019 | |
| 1. | India | 114,674,984 | 2019 | |
| 180. | Iceland | 22,181 | 2019 | |
| 102. | Hungary | 536,715 | 2019 | |
| 118. | Hong Kong | 347,406 | 2019 | |
| 82. | Honduras | 940,238 | 2019 | |
| 76. | Haiti | 1,112,653 | 2019 | |
| 159. | Guyana | 79,841 | 2019 | |
| 147. | Guinea-Bissau | 176,802 | 2019 | |
| 74. | Guinea | 1,199,938 | 2019 | |
| 206. | Guernsey | 3,847 | 2019 | |
| 59. | Guatemala | 1,661,371 | 2019 | |
| 186. | Guam | 16,499 | 2019 | |
| 192. | Grenada | 8,104 | 2019 | |
| 203. | Greenland | 4,482 | 2019 | |
| 103. | Greece | 525,713 | 2019 | |
| 215. | Gibraltar | 2,078 | 2019 | |
| 44. | Ghana | 2,624,188 | 2019 | |
| 26. | Germany | 4,190,708 | 2019 | |
| 136. | Georgia | 262,543 | 2019 | |
| 144. | Gaza Strip | 188,777 | 2019 | |
| 148. | Gabon | 175,451 | 2019 | |
| 181. | French Polynesia | 21,622 | 2019 | |
| 29. | France | 3,953,977 | 2019 | |
| 124. | Finland | 306,884 | 2019 | |
| 162. | Fiji | 74,046 | 2019 | |
| 191. | Federated States of Micronesia | 9,307 | 2019 | |
| 210. | Faroe Islands | 3,641 | 2019 | |
| 11. | Ethiopia | 10,192,936 | 2019 | |
| 167. | Estonia | 56,473 | 2019 | |
| 89. | Eritrea | 692,879 | 2019 | |
| 160. | Equatorial Guinea | 75,066 | 2019 | |
| 95. | El Salvador | 613,150 | 2019 | |
| 13. | Egypt | 7,839,262 | 2019 | |
| 66. | Ecuador | 1,503,149 | 2019 | |
| 153. | East Timor | 124,098 | 2019 | |
| 81. | Dominican Republic | 967,308 | 2019 | |
| 201. | Dominica | 5,335 | 2019 | |
| 155. | Djibouti | 95,154 | 2019 | |
| 116. | Denmark | 373,309 | 2019 | |
| 12. | Democratic Republic of the Congo | 8,805,536 | 2019 | |
| 110. | Czech Republic | 471,743 | 2019 | |
| 157. | Cyprus | 91,920 | 2019 | |
| 88. | Cuba | 703,565 | 2019 | |
| 132. | Croatia | 270,868 | 2019 | |
| 47. | Cote d'Ivoire | 2,487,274 | 2019 | |
| 114. | Costa Rica | 406,401 | 2019 | |
| 225. | Cook Islands | 677 | 2019 | |
| 161. | Comoros | 74,589 | 2019 | |
| 27. | Colombia | 4,132,293 | 2019 | |
| 2. | China | 89,836,416 | 2019 | |
| 69. | Chile | 1,353,603 | 2019 | |
| 195. | Channel Islands | 7,743 | 2019 | |
| 72. | Chad | 1,230,964 | 2019 | |
| 101. | Central African Republic | 546,679 | 2019 | |
| 208. | Cayman Islands | 3,749 | 2019 | |
| 168. | Cape Verde | 55,476 | 2019 | |
| 51. | Canada | 2,167,049 | 2019 | |
| 52. | Cameroon | 2,166,077 | 2019 | |
| 68. | Cambodia | 1,443,955 | 2019 | |
| 73. | Burundi | 1,205,058 | 2019 | |
| 55. | Burkina Faso | 1,969,695 | 2019 | |
| 128. | Bulgaria | 298,249 | 2019 | |
| 171. | Brunei | 40,228 | 2019 |
