The World: Population - Age 25-29 (2023) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 182. | Mayotte | 18,663 | 2023 | |
| 155. | Mauritius | 100,040 | 2023 | |
| 120. | Mauritania | 348,133 | 2023 | |
| 199. | Marshall Islands | 6,203 | 2023 | |
| 177. | Malta | 24,996 | 2023 | |
| 65. | Mali | 1,477,671 | 2023 | |
| 173. | Maldives | 38,651 | 2023 | |
| 46. | Malaysia | 2,559,401 | 2023 | |
| 58. | Malawi | 1,788,932 | 2023 | |
| 47. | Madagascar | 2,433,205 | 2023 | |
| 152. | Macedonia | 145,913 | 2023 | |
| 171. | Macau | 40,483 | 2023 | |
| 172. | Luxembourg | 39,947 | 2023 | |
| 144. | Lithuania | 190,883 | 2023 | |
| 214. | Liechtenstein | 2,438 | 2023 | |
| 99. | Libya | 598,201 | 2023 | |
| 115. | Liberia | 387,362 | 2023 | |
| 146. | Lesotho | 171,807 | 2023 | |
| 126. | Lebanon | 311,720 | 2023 | |
| 158. | Latvia | 93,940 | 2023 | |
| 88. | Laos | 703,507 | 2023 | |
| 106. | Kyrgyzstan | 510,316 | 2023 | |
| 119. | Kuwait | 354,086 | 2023 | |
| 151. | Kosovo | 152,054 | 2023 | |
| 189. | Kiribati | 10,936 | 2023 | |
| 26. | Kenya | 4,134,928 | 2023 | |
| 70. | Kazakhstan | 1,352,974 | 2023 | |
| 96. | Jordan | 621,530 | 2023 | |
| 18. | Japan | 6,195,178 | 2023 | |
| 128. | Jamaica | 310,118 | 2023 | |
| 36. | Italy | 3,206,465 | 2023 | |
| 94. | Israel | 628,120 | 2023 | |
| 202. | Isle of Man | 5,254 | 2023 | |
| 124. | Ireland | 313,284 | 2023 | |
| 34. | Iraq | 3,276,725 | 2023 | |
| 16. | Iran | 6,737,220 | 2023 | |
| 4. | Indonesia | 21,651,704 | 2023 | |
| 1. | India | 113,015,488 | 2023 | |
| 179. | Iceland | 22,564 | 2023 | |
| 102. | Hungary | 553,833 | 2023 | |
| 116. | Hong Kong | 385,656 | 2023 | |
| 83. | Honduras | 908,641 | 2023 | |
| 77. | Haiti | 1,072,096 | 2023 | |
| 159. | Guyana | 76,959 | 2023 | |
| 147. | Guinea-Bissau | 167,615 | 2023 | |
| 73. | Guinea | 1,142,042 | 2023 | |
| 207. | Guernsey | 4,039 | 2023 | |
| 60. | Guatemala | 1,609,610 | 2023 | |
| 186. | Guam | 16,319 | 2023 | |
| 195. | Grenada | 7,817 | 2023 | |
| 203. | Greenland | 4,480 | 2023 | |
| 103. | Greece | 552,532 | 2023 | |
| 216. | Gibraltar | 2,147 | 2023 | |
| 45. | Ghana | 2,570,730 | 2023 | |
| 24. | Germany | 4,373,502 | 2023 | |
| 137. | Georgia | 263,310 | 2023 | |
| 145. | Gaza Strip | 184,894 | 2023 | |
| 148. | Gabon | 162,253 | 2023 | |
| 181. | French Polynesia | 22,104 | 2023 | |
| 29. | France | 3,976,340 | 2023 | |
| 123. | Finland | 314,255 | 2023 | |
| 160. | Fiji | 72,225 | 2023 | |
| 194. | Federated States of Micronesia | 8,020 | 2023 | |
| 209. | Faroe Islands | 3,695 | 2023 | |
| 11. | Ethiopia | 9,580,828 | 2023 | |
| 168. | Estonia | 53,763 | 2023 | |
| 92. | Eritrea | 658,175 | 2023 | |
| 161. | Equatorial Guinea | 72,160 | 2023 | |
| 100. | El Salvador | 574,956 | 2023 | |
| 14. | Egypt | 7,737,899 | 2023 | |
| 64. | Ecuador | 1,479,790 | 2023 | |
| 153. | East Timor | 123,887 | 2023 | |
| 81. | Dominican Republic | 941,614 | 2023 | |
| 201. | Dominica | 5,342 | 2023 | |
| 156. | Djibouti | 98,561 | 2023 | |
| 117. | Denmark | 383,325 | 2023 | |
| 12. | Democratic Republic of the Congo | 8,444,467 | 2023 | |
| 107. | Czech Republic | 500,694 | 2023 | |
| 154. | Cyprus | 101,417 | 2023 | |
| 90. | Cuba | 685,822 | 2023 | |
| 133. | Croatia | 278,083 | 2023 | |
| 48. | Cote d'Ivoire | 2,382,593 | 2023 | |
| 113. | Costa Rica | 412,192 | 2023 | |
| 224. | Cook Islands | 533 | 2023 | |
| 163. | Comoros | 69,259 | 2023 | |
| 27. | Colombia | 4,118,774 | 2023 | |
| 2. | China | 92,723,576 | 2023 | |
| 69. | Chile | 1,369,926 | 2023 | |
| 191. | Channel Islands | 8,416 | 2023 | |
| 72. | Chad | 1,145,984 | 2023 | |
| 105. | Central African Republic | 522,072 | 2023 | |
| 206. | Cayman Islands | 4,183 | 2023 | |
| 167. | Cape Verde | 53,987 | 2023 | |
| 49. | Canada | 2,295,194 | 2023 | |
| 53. | Cameroon | 2,062,588 | 2023 | |
| 66. | Cambodia | 1,461,647 | 2023 | |
| 75. | Burundi | 1,138,684 | 2023 | |
| 56. | Burkina Faso | 1,872,663 | 2023 | |
| 131. | Bulgaria | 295,412 | 2023 | |
| 170. | Brunei | 45,297 | 2023 |
