The World: Population - Age 40-44 (2015) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 184. | Mayotte | 11,967 | 2015 | |
| 150. | Mauritius | 89,543 | 2015 | |
| 139. | Mauritania | 168,530 | 2015 | |
| 208. | Marshall Islands | 3,636 | 2015 | |
| 174. | Malta | 26,962 | 2015 | |
| 83. | Mali | 576,541 | 2015 | |
| 176. | Maldives | 24,529 | 2015 | |
| 36. | Malaysia | 2,041,346 | 2015 | |
| 76. | Malawi | 665,997 | 2015 | |
| 58. | Madagascar | 1,061,350 | 2015 | |
| 143. | Macedonia | 150,368 | 2015 | |
| 162. | Macau | 46,984 | 2015 | |
| 168. | Luxembourg | 36,343 | 2015 | |
| 126. | Lithuania | 256,089 | 2015 | |
| 213. | Liechtenstein | 2,721 | 2015 | |
| 96. | Libya | 481,867 | 2015 | |
| 137. | Liberia | 181,012 | 2015 | |
| 154. | Lesotho | 81,549 | 2015 | |
| 123. | Lebanon | 279,228 | 2015 | |
| 141. | Latvia | 155,979 | 2015 | |
| 110. | Laos | 361,407 | 2015 | |
| 117. | Kyrgyzstan | 324,229 | 2015 | |
| 132. | Kuwait | 218,694 | 2015 | |
| 146. | Kosovo | 113,336 | 2015 | |
| 200. | Kiribati | 5,253 | 2015 | |
| 38. | Kenya | 2,008,301 | 2015 | |
| 54. | Kazakhstan | 1,182,394 | 2015 | |
| 106. | Jordan | 390,795 | 2015 | |
| 8. | Japan | 9,499,929 | 2015 | |
| 142. | Jamaica | 150,820 | 2015 | |
| 18. | Italy | 5,052,149 | 2015 | |
| 95. | Israel | 502,616 | 2015 | |
| 196. | Isle of Man | 6,210 | 2015 | |
| 108. | Ireland | 378,450 | 2015 | |
| 42. | Iraq | 1,872,669 | 2015 | |
| 15. | Iran | 5,437,384 | 2015 | |
| 4. | Indonesia | 18,229,432 | 2015 | |
| 2. | India | 83,955,792 | 2015 | |
| 178. | Iceland | 21,453 | 2015 | |
| 71. | Hungary | 777,582 | 2015 | |
| 85. | Hong Kong | 559,405 | 2015 | |
| 100. | Honduras | 446,336 | 2015 | |
| 89. | Haiti | 531,835 | 2015 | |
| 163. | Guyana | 44,818 | 2015 | |
| 152. | Guinea-Bissau | 84,498 | 2015 | |
| 90. | Guinea | 522,274 | 2015 | |
| 202. | Guernsey | 4,587 | 2015 | |
| 75. | Guatemala | 678,902 | 2015 | |
| 183. | Guam | 12,582 | 2015 | |
| 194. | Grenada | 6,750 | 2015 | |
| 211. | Greenland | 3,000 | 2015 | |
| 67. | Greece | 843,980 | 2015 | |
| 218. | Gibraltar | 1,877 | 2015 | |
| 50. | Ghana | 1,463,447 | 2015 | |
| 17. | Germany | 5,060,332 | 2015 | |
| 122. | Georgia | 289,600 | 2015 | |
| 155. | Gaza Strip | 77,971 | 2015 | |
| 157. | Gabon | 66,636 | 2015 | |
| 179. | French Polynesia | 20,434 | 2015 | |
| 20. | France | 4,560,247 | 2015 | |
| 120. | Finland | 302,751 | 2015 | |
| 160. | Fiji | 54,900 | 2015 | |
| 197. | Federated States of Micronesia | 6,130 | 2015 | |
| 210. | Faroe Islands | 3,057 | 2015 | |
| 24. | Ethiopia | 4,005,590 | 2015 | |
| 153. | Estonia | 82,802 | 2015 | |
| 115. | Eritrea | 328,255 | 2015 | |
| 170. | Equatorial Guinea | 34,928 | 2015 | |
| 109. | El Salvador | 364,009 | 2015 | |
| 19. | Egypt | 4,627,402 | 2015 | |
| 62. | Ecuador | 954,257 | 2015 | |
| 158. | East Timor | 65,697 | 2015 | |
| 78. | Dominican Republic | 639,227 | 2015 | |
| 203. | Dominica | 4,319 | 2015 | |
| 164. | Djibouti | 43,672 | 2015 | |
| 107. | Denmark | 389,925 | 2015 | |
| 26. | Democratic Republic of the Congo | 3,296,615 | 2015 | |
| 64. | Czech Republic | 851,685 | 2015 | |
| 151. | Cyprus | 86,671 | 2015 | |
| 61. | Cuba | 974,625 | 2015 | |
| 121. | Croatia | 299,517 | 2015 | |
| 55. | Cote d'Ivoire | 1,151,894 | 2015 | |
| 118. | Costa Rica | 322,414 | 2015 | |
| 223. | Cook Islands | 698 | 2015 | |
| 166. | Comoros | 42,719 | 2015 | |
| 28. | Colombia | 3,077,380 | 2015 | |
| 1. | China | 115,677,768 | 2015 | |
| 57. | Chile | 1,136,241 | 2015 | |
| 198. | Channel Islands | 5,523 | 2015 | |
| 104. | Chad | 423,211 | 2015 | |
| 129. | Central African Republic | 239,435 | 2015 | |
| 204. | Cayman Islands | 4,243 | 2015 | |
| 173. | Cape Verde | 27,532 | 2015 | |
| 34. | Canada | 2,233,584 | 2015 | |
| 63. | Cameroon | 942,375 | 2015 | |
| 66. | Cambodia | 847,037 | 2015 | |
| 98. | Burundi | 461,784 | 2015 | |
| 70. | Burkina Faso | 803,867 | 2015 | |
| 94. | Bulgaria | 504,370 | 2015 | |
| 171. | Brunei | 31,936 | 2015 |
