The World: Population - Age 25-29 (2017) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 186. | Mayotte | 12,955 | 2017 | |
| 157. | Mauritius | 103,991 | 2017 | |
| 132. | Mauritania | 305,252 | 2017 | |
| 200. | Marshall Islands | 5,936 | 2017 | |
| 176. | Malta | 28,469 | 2017 | |
| 70. | Mali | 1,206,742 | 2017 | |
| 168. | Maldives | 50,719 | 2017 | |
| 47. | Malaysia | 2,411,871 | 2017 | |
| 63. | Malawi | 1,511,012 | 2017 | |
| 52. | Madagascar | 2,049,548 | 2017 | |
| 149. | Macedonia | 154,230 | 2017 | |
| 169. | Macau | 50,058 | 2017 | |
| 174. | Luxembourg | 36,502 | 2017 | |
| 139. | Lithuania | 264,959 | 2017 | |
| 216. | Liechtenstein | 2,372 | 2017 | |
| 98. | Libya | 604,254 | 2017 | |
| 128. | Liberia | 315,023 | 2017 | |
| 144. | Lesotho | 188,913 | 2017 | |
| 119. | Lebanon | 361,675 | 2017 | |
| 148. | Latvia | 167,208 | 2017 | |
| 92. | Laos | 652,055 | 2017 | |
| 101. | Kyrgyzstan | 580,315 | 2017 | |
| 123. | Kuwait | 332,675 | 2017 | |
| 146. | Kosovo | 179,827 | 2017 | |
| 189. | Kiribati | 10,094 | 2017 | |
| 28. | Kenya | 3,965,287 | 2017 | |
| 57. | Kazakhstan | 1,667,176 | 2017 | |
| 103. | Jordan | 570,216 | 2017 | |
| 18. | Japan | 6,238,364 | 2017 | |
| 134. | Jamaica | 294,677 | 2017 | |
| 30. | Italy | 3,376,287 | 2017 | |
| 99. | Israel | 587,407 | 2017 | |
| 202. | Isle of Man | 5,217 | 2017 | |
| 129. | Ireland | 310,390 | 2017 | |
| 38. | Iraq | 2,896,840 | 2017 | |
| 12. | Iran | 9,133,674 | 2017 | |
| 4. | Indonesia | 20,380,724 | 2017 | |
| 2. | India | 105,291,544 | 2017 | |
| 179. | Iceland | 23,510 | 2017 | |
| 97. | Hungary | 624,666 | 2017 | |
| 114. | Hong Kong | 424,288 | 2017 | |
| 87. | Honduras | 814,893 | 2017 | |
| 77. | Haiti | 943,911 | 2017 | |
| 165. | Guyana | 60,125 | 2017 | |
| 150. | Guinea-Bissau | 148,443 | 2017 | |
| 78. | Guinea | 941,979 | 2017 | |
| 204. | Guernsey | 4,480 | 2017 | |
| 66. | Guatemala | 1,418,820 | 2017 | |
| 184. | Guam | 14,973 | 2017 | |
| 190. | Grenada | 9,007 | 2017 | |
| 203. | Greenland | 4,686 | 2017 | |
| 102. | Greece | 580,261 | 2017 | |
| 215. | Gibraltar | 2,440 | 2017 | |
| 44. | Ghana | 2,523,830 | 2017 | |
| 20. | Germany | 4,980,652 | 2017 | |
| 120. | Georgia | 356,207 | 2017 | |
| 147. | Gaza Strip | 175,815 | 2017 | |
| 152. | Gabon | 144,078 | 2017 | |
| 178. | French Polynesia | 24,595 | 2017 | |
| 26. | France | 4,097,310 | 2017 | |
| 125. | Finland | 327,743 | 2017 | |
| 162. | Fiji | 72,867 | 2017 | |
| 192. | Federated States of Micronesia | 8,604 | 2017 | |
| 207. | Faroe Islands | 3,964 | 2017 | |
| 14. | Ethiopia | 8,247,784 | 2017 | |
| 158. | Estonia | 89,687 | 2017 | |
| 105. | Eritrea | 541,155 | 2017 | |
| 164. | Equatorial Guinea | 60,591 | 2017 | |
| 106. | El Salvador | 539,657 | 2017 | |
| 15. | Egypt | 7,498,098 | 2017 | |
| 68. | Ecuador | 1,364,726 | 2017 | |
| 154. | East Timor | 127,645 | 2017 | |
| 80. | Dominican Republic | 885,307 | 2017 | |
| 201. | Dominica | 5,829 | 2017 | |
| 159. | Djibouti | 89,187 | 2017 | |
| 121. | Denmark | 353,086 | 2017 | |
| 16. | Democratic Republic of the Congo | 6,844,785 | 2017 | |
| 94. | Czech Republic | 646,952 | 2017 | |
| 156. | Cyprus | 107,005 | 2017 | |
| 86. | Cuba | 828,605 | 2017 | |
| 137. | Croatia | 274,821 | 2017 | |
| 50. | Cote d'Ivoire | 2,157,241 | 2017 | |
| 113. | Costa Rica | 431,702 | 2017 | |
| 224. | Cook Islands | 581 | 2017 | |
| 163. | Comoros | 60,993 | 2017 | |
| 27. | Colombia | 4,063,044 | 2017 | |
| 1. | China | 117,251,304 | 2017 | |
| 65. | Chile | 1,448,807 | 2017 | |
| 191. | Channel Islands | 8,858 | 2017 | |
| 76. | Chad | 943,974 | 2017 | |
| 111. | Central African Republic | 475,798 | 2017 | |
| 210. | Cayman Islands | 3,756 | 2017 | |
| 167. | Cape Verde | 53,827 | 2017 | |
| 48. | Canada | 2,403,910 | 2017 | |
| 54. | Cameroon | 1,922,370 | 2017 | |
| 55. | Cambodia | 1,684,070 | 2017 | |
| 79. | Burundi | 933,696 | 2017 | |
| 61. | Burkina Faso | 1,527,996 | 2017 | |
| 115. | Bulgaria | 423,721 | 2017 | |
| 173. | Brunei | 41,529 | 2017 |
