The World: Population - Age 25-29 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 186. | Mayotte | 14,045 | 2019 | |
| 156. | Mauritius | 107,515 | 2019 | |
| 126. | Mauritania | 318,862 | 2019 | |
| 202. | Marshall Islands | 5,307 | 2019 | |
| 177. | Malta | 27,560 | 2019 | |
| 70. | Mali | 1,284,467 | 2019 | |
| 170. | Maldives | 48,296 | 2019 | |
| 47. | Malaysia | 2,470,752 | 2019 | |
| 60. | Malawi | 1,594,760 | 2019 | |
| 51. | Madagascar | 2,189,913 | 2019 | |
| 152. | Macedonia | 147,016 | 2019 | |
| 171. | Macau | 47,336 | 2019 | |
| 174. | Luxembourg | 38,022 | 2019 | |
| 141. | Lithuania | 246,313 | 2019 | |
| 216. | Liechtenstein | 2,372 | 2019 | |
| 100. | Libya | 598,909 | 2019 | |
| 133. | Liberia | 294,805 | 2019 | |
| 146. | Lesotho | 182,673 | 2019 | |
| 120. | Lebanon | 348,340 | 2019 | |
| 153. | Latvia | 141,913 | 2019 | |
| 89. | Laos | 685,462 | 2019 | |
| 105. | Kyrgyzstan | 565,975 | 2019 | |
| 121. | Kuwait | 339,592 | 2019 | |
| 147. | Kosovo | 162,755 | 2019 | |
| 189. | Kiribati | 10,225 | 2019 | |
| 28. | Kenya | 3,988,032 | 2019 | |
| 61. | Kazakhstan | 1,589,731 | 2019 | |
| 101. | Jordan | 597,803 | 2019 | |
| 18. | Japan | 6,083,897 | 2019 | |
| 130. | Jamaica | 305,059 | 2019 | |
| 32. | Italy | 3,351,964 | 2019 | |
| 99. | Israel | 600,005 | 2019 | |
| 201. | Isle of Man | 5,366 | 2019 | |
| 129. | Ireland | 305,846 | 2019 | |
| 38. | Iraq | 2,980,417 | 2019 | |
| 12. | Iran | 8,634,332 | 2019 | |
| 4. | Indonesia | 20,618,872 | 2019 | |
| 2. | India | 107,788,256 | 2019 | |
| 179. | Iceland | 23,778 | 2019 | |
| 98. | Hungary | 616,090 | 2019 | |
| 114. | Hong Kong | 424,587 | 2019 | |
| 85. | Honduras | 847,851 | 2019 | |
| 77. | Haiti | 988,296 | 2019 | |
| 163. | Guyana | 66,146 | 2019 | |
| 148. | Guinea-Bissau | 154,848 | 2019 | |
| 76. | Guinea | 999,861 | 2019 | |
| 204. | Guernsey | 4,417 | 2019 | |
| 64. | Guatemala | 1,501,082 | 2019 | |
| 184. | Guam | 15,741 | 2019 | |
| 191. | Grenada | 8,441 | 2019 | |
| 203. | Greenland | 4,769 | 2019 | |
| 104. | Greece | 566,886 | 2019 | |
| 215. | Gibraltar | 2,495 | 2019 | |
| 44. | Ghana | 2,580,103 | 2019 | |
| 22. | Germany | 4,714,086 | 2019 | |
| 123. | Georgia | 331,420 | 2019 | |
| 145. | Gaza Strip | 183,949 | 2019 | |
| 151. | Gabon | 148,855 | 2019 | |
| 178. | French Polynesia | 24,204 | 2019 | |
| 27. | France | 4,033,655 | 2019 | |
| 122. | Finland | 332,529 | 2019 | |
| 162. | Fiji | 72,502 | 2019 | |
| 192. | Federated States of Micronesia | 8,354 | 2019 | |
| 208. | Faroe Islands | 3,984 | 2019 | |
| 13. | Ethiopia | 8,523,756 | 2019 | |
| 161. | Estonia | 74,913 | 2019 | |
| 103. | Eritrea | 579,354 | 2019 | |
| 164. | Equatorial Guinea | 64,217 | 2019 | |
| 106. | El Salvador | 558,964 | 2019 | |
| 15. | Egypt | 7,554,417 | 2019 | |
| 67. | Ecuador | 1,395,220 | 2019 | |
| 154. | East Timor | 127,034 | 2019 | |
| 82. | Dominican Republic | 906,364 | 2019 | |
| 200. | Dominica | 6,054 | 2019 | |
| 158. | Djibouti | 94,660 | 2019 | |
| 118. | Denmark | 371,886 | 2019 | |
| 16. | Democratic Republic of the Congo | 7,404,234 | 2019 | |
| 97. | Czech Republic | 624,098 | 2019 | |
| 155. | Cyprus | 108,497 | 2019 | |
| 87. | Cuba | 767,214 | 2019 | |
| 137. | Croatia | 271,285 | 2019 | |
| 50. | Cote d'Ivoire | 2,220,476 | 2019 | |
| 113. | Costa Rica | 427,359 | 2019 | |
| 224. | Cook Islands | 608 | 2019 | |
| 165. | Comoros | 62,930 | 2019 | |
| 26. | Colombia | 4,132,219 | 2019 | |
| 1. | China | 108,050,544 | 2019 | |
| 66. | Chile | 1,446,402 | 2019 | |
| 190. | Channel Islands | 8,605 | 2019 | |
| 75. | Chad | 1,001,847 | 2019 | |
| 111. | Central African Republic | 490,495 | 2019 | |
| 207. | Cayman Islands | 4,064 | 2019 | |
| 167. | Cape Verde | 54,654 | 2019 | |
| 48. | Canada | 2,434,239 | 2019 | |
| 54. | Cameroon | 1,974,546 | 2019 | |
| 57. | Cambodia | 1,669,428 | 2019 | |
| 78. | Burundi | 976,212 | 2019 | |
| 58. | Burkina Faso | 1,642,874 | 2019 | |
| 116. | Bulgaria | 377,496 | 2019 | |
| 172. | Brunei | 42,375 | 2019 |
