The World: Population - Age 40-44 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 109. | Jordan | 418,951 | 2021 | |
| 57. | Kazakhstan | 1,249,459 | 2021 | |
| 32. | Kenya | 2,926,475 | 2021 | |
| 196. | Kiribati | 6,412 | 2021 | |
| 148. | Kosovo | 128,609 | 2021 | |
| 131. | Kuwait | 252,627 | 2021 | |
| 112. | Kyrgyzstan | 395,374 | 2021 | |
| 107. | Laos | 425,410 | 2021 | |
| 145. | Latvia | 144,884 | 2021 | |
| 122. | Lebanon | 306,563 | 2021 | |
| 149. | Lesotho | 124,405 | 2021 | |
| 134. | Liberia | 233,650 | 2021 | |
| 90. | Libya | 563,446 | 2021 | |
| 214. | Liechtenstein | 2,523 | 2021 | |
| 132. | Lithuania | 242,910 | 2021 | |
| 171. | Luxembourg | 36,843 | 2021 | |
| 164. | Macau | 50,161 | 2021 | |
| 142. | Macedonia | 158,901 | 2021 | |
| 56. | Madagascar | 1,319,328 | 2021 | |
| 67. | Malawi | 884,522 | 2021 | |
| 40. | Malaysia | 2,242,474 | 2021 | |
| 175. | Maldives | 26,881 | 2021 | |
| 74. | Mali | 785,079 | 2021 | |
| 174. | Malta | 29,894 | 2021 | |
| 202. | Marshall Islands | 4,802 | 2021 | |
| 138. | Mauritania | 212,400 | 2021 | |
| 151. | Mauritius | 111,534 | 2021 | |
| 183. | Mayotte | 12,325 | 2021 | |
| 10. | Mexico | 8,466,393 | 2021 | |
| 133. | Moldova | 238,727 | 2021 | |
| 219. | Monaco | 1,381 | 2021 | |
| 129. | Mongolia | 262,904 | 2021 | |
| 163. | Montenegro | 56,710 | 2021 | |
| 225. | Montserrat | 498 | 2021 | |
| 36. | Morocco | 2,464,287 | 2021 | |
| 60. | Mozambique | 1,123,423 | 2021 | |
| 21. | Myanmar | 4,321,237 | 2021 | |
| 147. | Namibia | 128,915 | 2021 | |
| 222. | Nauru | 670 | 2021 | |
| 42. | Nepal | 2,106,298 | 2021 | |
| 63. | Netherlands | 1,013,901 | 2021 | |
| 190. | Netherlands Antilles | 7,373 | 2021 | |
| 179. | New Caledonia | 20,886 | 2021 | |
| 125. | New Zealand | 281,850 | 2021 | |
| 111. | Nicaragua | 402,509 | 2021 | |
| 66. | Niger | 903,822 | 2021 | |
| 9. | Nigeria | 9,854,871 | 2021 | |
| 53. | North Korea | 1,588,461 | 2021 | |
| 209. | Northern Mariana Islands | 3,737 | 2021 | |
| 124. | Norway | 285,684 | 2021 | |
| 128. | Oman | 277,671 | 2021 | |
| 7. | Pakistan | 12,314,470 | 2021 | |
| 218. | Palau | 1,381 | 2021 | |
| 130. | Panama | 258,238 | 2021 | |
| 105. | Papua New Guinea | 460,865 | 2021 | |
| 103. | Paraguay | 467,027 | 2021 | |
| 44. | Peru | 2,051,307 | 2021 | |
| 12. | Philippines | 7,414,551 | 2021 | |
| 30. | Poland | 3,114,985 | 2021 | |
| 72. | Portugal | 814,346 | 2021 | |
| 127. | Puerto Rico | 280,630 | 2021 | |
| 121. | Qatar | 314,829 | 2021 | |
| 137. | Republic of Congo | 224,666 | 2021 | |
| 46. | Romania | 1,854,101 | 2021 | |
| 8. | Russia | 9,886,041 | 2021 | |
| 73. | Rwanda | 789,768 | 2021 | |
| 226. | Saint Barthélemy | 454 | 2021 | |
| 224. | Saint Helena | 560 | 2021 | |
| 207. | Saint Kitts and Nevis | 4,059 | 2021 | |
| 186. | Saint Lucia | 11,536 | 2021 | |
| 213. | Saint Martin | 2,583 | 2021 | |
| 228. | Saint Pierre and Miquelon | 368 | 2021 | |
| 191. | Saint Vincent and the Grenadines | 7,336 | 2021 | |
| 184. | Samoa | 11,809 | 2021 | |
| 215. | San Marino | 2,284 | 2021 | |
| 187. | Sao Tome and Principe | 11,325 | 2021 | |
| 38. | Saudi Arabia | 2,324,749 | 2021 | |
| 78. | Senegal | 744,756 | 2021 | |
| 99. | Serbia | 510,209 | 2021 | |
| 188. | Seychelles | 8,576 | 2021 | |
| 120. | Sierra Leone | 317,373 | 2021 | |
| 102. | Singapore | 477,762 | 2021 | |
| 216. | Sint Maarten | 2,128 | 2021 | |
| 104. | Slovakia | 463,849 | 2021 | |
| 144. | Slovenia | 153,188 | 2021 | |
| 167. | Solomon Islands | 41,634 | 2021 | |
| 96. | Somalia | 514,168 | 2021 | |
| 34. | South Africa | 2,591,073 | 2021 | |
| 26. | South Korea | 3,867,293 | 2021 | |
| 22. | Spain | 4,201,833 | 2021 | |
| 47. | Sri Lanka | 1,701,048 | 2021 | |
| 33. | Sudan | 2,733,513 | 2021 | |
| 169. | Suriname | 40,653 | 2021 | |
| 157. | Swaziland | 72,627 | 2021 | |
| 92. | Sweden | 542,974 | 2021 | |
| 100. | Switzerland | 502,162 | 2021 | |
| 54. | Syria | 1,574,532 | 2021 | |
| 45. | Taiwan | 1,961,014 | 2021 | |
| 94. | Tajikistan | 538,123 | 2021 | |
| 35. | Tanzania | 2,550,582 | 2021 |
