The World: Population - Age 40-44 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 183. | Mayotte | 12,421 | 2020 | |
| 151. | Mauritius | 108,435 | 2020 | |
| 138. | Mauritania | 204,386 | 2020 | |
| 202. | Marshall Islands | 4,478 | 2020 | |
| 174. | Malta | 29,972 | 2020 | |
| 75. | Mali | 752,932 | 2020 | |
| 175. | Maldives | 26,103 | 2020 | |
| 39. | Malaysia | 2,212,338 | 2020 | |
| 67. | Malawi | 845,129 | 2020 | |
| 56. | Madagascar | 1,273,864 | 2020 | |
| 142. | Macedonia | 158,344 | 2020 | |
| 164. | Macau | 48,914 | 2020 | |
| 171. | Luxembourg | 36,322 | 2020 | |
| 132. | Lithuania | 242,680 | 2020 | |
| 214. | Liechtenstein | 2,499 | 2020 | |
| 91. | Libya | 541,800 | 2020 | |
| 135. | Liberia | 222,356 | 2020 | |
| 149. | Lesotho | 116,436 | 2020 | |
| 122. | Lebanon | 301,727 | 2020 | |
| 145. | Latvia | 144,470 | 2020 | |
| 109. | Laos | 410,878 | 2020 | |
| 112. | Kyrgyzstan | 381,155 | 2020 | |
| 131. | Kuwait | 249,472 | 2020 | |
| 147. | Kosovo | 123,923 | 2020 | |
| 196. | Kiribati | 6,161 | 2020 | |
| 32. | Kenya | 2,770,431 | 2020 | |
| 57. | Kazakhstan | 1,228,765 | 2020 | |
| 108. | Jordan | 412,329 | 2020 | |
| 11. | Japan | 8,239,595 | 2020 | |
| 141. | Jamaica | 170,641 | 2020 | |
| 20. | Italy | 4,516,718 | 2020 | |
| 92. | Israel | 538,564 | 2020 | |
| 199. | Isle of Man | 5,369 | 2020 | |
| 106. | Ireland | 415,677 | 2020 | |
| 40. | Iraq | 2,201,622 | 2020 | |
| 14. | Iran | 6,873,843 | 2020 | |
| 4. | Indonesia | 19,487,812 | 2020 | |
| 2. | India | 89,655,840 | 2020 | |
| 177. | Iceland | 21,764 | 2020 | |
| 72. | Hungary | 821,802 | 2020 | |
| 95. | Hong Kong | 523,673 | 2020 | |
| 93. | Honduras | 524,922 | 2020 | |
| 87. | Haiti | 598,503 | 2020 | |
| 165. | Guyana | 44,819 | 2020 | |
| 154. | Guinea-Bissau | 92,108 | 2020 | |
| 85. | Guinea | 602,017 | 2020 | |
| 205. | Guernsey | 4,251 | 2020 | |
| 71. | Guatemala | 826,079 | 2020 | |
| 185. | Guam | 11,727 | 2020 | |
| 195. | Grenada | 6,549 | 2020 | |
| 211. | Greenland | 2,910 | 2020 | |
| 70. | Greece | 837,146 | 2020 | |
| 217. | Gibraltar | 2,036 | 2020 | |
| 51. | Ghana | 1,573,007 | 2020 | |
| 19. | Germany | 4,701,761 | 2020 | |
| 124. | Georgia | 287,957 | 2020 | |
| 152. | Gaza Strip | 99,874 | 2020 | |
| 158. | Gabon | 67,839 | 2020 | |
| 180. | French Polynesia | 19,971 | 2020 | |
| 23. | France | 4,089,741 | 2020 | |
| 118. | Finland | 325,908 | 2020 | |
| 159. | Fiji | 65,001 | 2020 | |
| 193. | Federated States of Micronesia | 6,791 | 2020 | |
| 212. | Faroe Islands | 2,806 | 2020 | |
| 18. | Ethiopia | 5,001,247 | 2020 | |
| 156. | Estonia | 80,580 | 2020 | |
| 113. | Eritrea | 378,721 | 2020 | |
| 168. | Equatorial Guinea | 39,927 | 2020 | |
| 110. | El Salvador | 401,398 | 2020 | |
| 16. | Egypt | 6,251,064 | 2020 | |
| 61. | Ecuador | 1,091,404 | 2020 | |
| 160. | East Timor | 63,233 | 2020 | |
| 81. | Dominican Republic | 681,107 | 2020 | |
| 201. | Dominica | 4,514 | 2020 | |
| 162. | Djibouti | 54,484 | 2020 | |
| 116. | Denmark | 345,988 | 2020 | |
| 24. | Democratic Republic of the Congo | 3,974,383 | 2020 | |
| 65. | Czech Republic | 881,681 | 2020 | |
| 153. | Cyprus | 97,252 | 2020 | |
| 82. | Cuba | 680,093 | 2020 | |
| 119. | Croatia | 316,184 | 2020 | |
| 55. | Cote d'Ivoire | 1,343,422 | 2020 | |
| 115. | Costa Rica | 350,685 | 2020 | |
| 227. | Cook Islands | 440 | 2020 | |
| 166. | Comoros | 43,975 | 2020 | |
| 31. | Colombia | 3,078,514 | 2020 | |
| 1. | China | 92,567,360 | 2020 | |
| 58. | Chile | 1,204,868 | 2020 | |
| 203. | Channel Islands | 4,327 | 2020 | |
| 101. | Chad | 488,853 | 2020 | |
| 127. | Central African Republic | 272,120 | 2020 | |
| 206. | Cayman Islands | 4,246 | 2020 | |
| 173. | Cape Verde | 33,428 | 2020 | |
| 37. | Canada | 2,304,820 | 2020 | |
| 59. | Cameroon | 1,149,846 | 2020 | |
| 73. | Cambodia | 797,323 | 2020 | |
| 88. | Burundi | 564,059 | 2020 | |
| 64. | Burkina Faso | 965,374 | 2020 | |
| 94. | Bulgaria | 524,507 | 2020 | |
| 170. | Brunei | 36,464 | 2020 |
