The World: Population - Age 20-24 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 179. | Mayotte | 22,412 | 2020 | |
| 154. | Mauritius | 97,574 | 2020 | |
| 116. | Mauritania | 372,072 | 2020 | |
| 197. | Marshall Islands | 7,047 | 2020 | |
| 177. | Malta | 24,017 | 2020 | |
| 61. | Mali | 1,642,009 | 2020 | |
| 171. | Maldives | 38,544 | 2020 | |
| 45. | Malaysia | 2,614,430 | 2020 | |
| 57. | Malawi | 1,949,582 | 2020 | |
| 46. | Madagascar | 2,582,448 | 2020 | |
| 151. | Macedonia | 141,808 | 2020 | |
| 174. | Macau | 33,390 | 2020 | |
| 173. | Luxembourg | 35,729 | 2020 | |
| 147. | Lithuania | 179,867 | 2020 | |
| 214. | Liechtenstein | 2,334 | 2020 | |
| 94. | Libya | 630,810 | 2020 | |
| 111. | Liberia | 455,770 | 2020 | |
| 145. | Lesotho | 182,772 | 2020 | |
| 122. | Lebanon | 312,768 | 2020 | |
| 158. | Latvia | 87,899 | 2020 | |
| 86. | Laos | 748,952 | 2020 | |
| 106. | Kyrgyzstan | 503,985 | 2020 | |
| 134. | Kuwait | 260,279 | 2020 | |
| 149. | Kosovo | 163,882 | 2020 | |
| 188. | Kiribati | 11,690 | 2020 | |
| 24. | Kenya | 4,439,979 | 2020 | |
| 74. | Kazakhstan | 1,225,328 | 2020 | |
| 93. | Jordan | 636,832 | 2020 | |
| 17. | Japan | 6,143,535 | 2020 | |
| 123. | Jamaica | 312,455 | 2020 | |
| 35. | Italy | 3,037,704 | 2020 | |
| 92. | Israel | 649,982 | 2020 | |
| 201. | Isle of Man | 5,121 | 2020 | |
| 125. | Ireland | 303,782 | 2020 | |
| 32. | Iraq | 3,447,380 | 2020 | |
| 18. | Iran | 6,113,298 | 2020 | |
| 3. | Indonesia | 22,247,136 | 2020 | |
| 1. | India | 115,304,624 | 2020 | |
| 181. | Iceland | 22,078 | 2020 | |
| 105. | Hungary | 519,487 | 2020 | |
| 119. | Hong Kong | 326,655 | 2020 | |
| 82. | Honduras | 951,866 | 2020 | |
| 77. | Haiti | 1,117,856 | 2020 | |
| 159. | Guyana | 81,334 | 2020 | |
| 146. | Guinea-Bissau | 180,129 | 2020 | |
| 73. | Guinea | 1,235,298 | 2020 | |
| 207. | Guernsey | 3,822 | 2020 | |
| 59. | Guatemala | 1,665,415 | 2020 | |
| 186. | Guam | 16,758 | 2020 | |
| 193. | Grenada | 7,768 | 2020 | |
| 203. | Greenland | 4,311 | 2020 | |
| 104. | Greece | 524,429 | 2020 | |
| 216. | Gibraltar | 2,000 | 2020 | |
| 44. | Ghana | 2,656,231 | 2020 | |
| 26. | Germany | 4,189,059 | 2020 | |
| 138. | Georgia | 251,828 | 2020 | |
| 142. | Gaza Strip | 194,099 | 2020 | |
| 148. | Gabon | 179,820 | 2020 | |
| 182. | French Polynesia | 21,550 | 2020 | |
| 28. | France | 3,996,871 | 2020 | |
| 127. | Finland | 300,057 | 2020 | |
| 162. | Fiji | 72,024 | 2020 | |
| 191. | Federated States of Micronesia | 9,112 | 2020 | |
| 210. | Faroe Islands | 3,620 | 2020 | |
| 10. | Ethiopia | 10,638,313 | 2020 | |
| 167. | Estonia | 55,678 | 2020 | |
| 87. | Eritrea | 715,956 | 2020 | |
| 161. | Equatorial Guinea | 77,314 | 2020 | |
| 97. | El Salvador | 602,562 | 2020 | |
| 13. | Egypt | 7,926,013 | 2020 | |
| 65. | Ecuador | 1,511,494 | 2020 | |
| 153. | East Timor | 126,387 | 2020 | |
| 81. | Dominican Republic | 972,298 | 2020 | |
| 202. | Dominica | 5,011 | 2020 | |
| 155. | Djibouti | 96,302 | 2020 | |
| 117. | Denmark | 369,896 | 2020 | |
| 12. | Democratic Republic of the Congo | 8,983,976 | 2020 | |
| 110. | Czech Republic | 461,065 | 2020 | |
| 157. | Cyprus | 88,637 | 2020 | |
| 88. | Cuba | 704,248 | 2020 | |
| 132. | Croatia | 262,577 | 2020 | |
| 47. | Cote d'Ivoire | 2,543,325 | 2020 | |
| 114. | Costa Rica | 402,638 | 2020 | |
| 225. | Cook Islands | 640 | 2020 | |
| 160. | Comoros | 77,578 | 2020 | |
| 27. | Colombia | 4,097,827 | 2020 | |
| 2. | China | 85,776,696 | 2020 | |
| 69. | Chile | 1,332,984 | 2020 | |
| 196. | Channel Islands | 7,537 | 2020 | |
| 71. | Chad | 1,269,470 | 2020 | |
| 101. | Central African Republic | 558,149 | 2020 | |
| 208. | Cayman Islands | 3,770 | 2020 | |
| 168. | Cape Verde | 54,721 | 2020 | |
| 52. | Canada | 2,124,981 | 2020 | |
| 50. | Cameroon | 2,224,114 | 2020 | |
| 68. | Cambodia | 1,420,892 | 2020 | |
| 72. | Burundi | 1,242,057 | 2020 | |
| 54. | Burkina Faso | 2,026,209 | 2020 | |
| 128. | Bulgaria | 296,877 | 2020 | |
| 170. | Brunei | 40,192 | 2020 |
