The World: Population - Age 40-44 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 106. | Jordan | 403,830 | 2018 | |
| 56. | Kazakhstan | 1,196,958 | 2018 | |
| 33. | Kenya | 2,431,852 | 2018 | |
| 197. | Kiribati | 5,644 | 2018 | |
| 146. | Kosovo | 117,826 | 2018 | |
| 132. | Kuwait | 239,686 | 2018 | |
| 114. | Kyrgyzstan | 355,037 | 2018 | |
| 109. | Laos | 387,681 | 2018 | |
| 144. | Latvia | 146,526 | 2018 | |
| 122. | Lebanon | 292,983 | 2018 | |
| 151. | Lesotho | 99,850 | 2018 | |
| 137. | Liberia | 203,132 | 2018 | |
| 99. | Libya | 490,584 | 2018 | |
| 214. | Liechtenstein | 2,537 | 2018 | |
| 130. | Lithuania | 243,447 | 2018 | |
| 170. | Luxembourg | 35,446 | 2018 | |
| 164. | Macau | 46,352 | 2018 | |
| 142. | Macedonia | 155,696 | 2018 | |
| 57. | Madagascar | 1,185,952 | 2018 | |
| 73. | Malawi | 768,037 | 2018 | |
| 38. | Malaysia | 2,145,257 | 2018 | |
| 175. | Maldives | 25,088 | 2018 | |
| 77. | Mali | 678,103 | 2018 | |
| 174. | Malta | 29,206 | 2018 | |
| 206. | Marshall Islands | 3,954 | 2018 | |
| 138. | Mauritania | 187,980 | 2018 | |
| 150. | Mauritius | 101,262 | 2018 | |
| 183. | Mayotte | 12,393 | 2018 | |
| 11. | Mexico | 8,417,587 | 2018 | |
| 131. | Moldova | 241,587 | 2018 | |
| 218. | Monaco | 1,548 | 2018 | |
| 129. | Mongolia | 250,286 | 2018 | |
| 161. | Montenegro | 53,887 | 2018 | |
| 226. | Montserrat | 471 | 2018 | |
| 35. | Morocco | 2,357,291 | 2018 | |
| 59. | Mozambique | 1,060,463 | 2018 | |
| 23. | Myanmar | 4,074,107 | 2018 | |
| 148. | Namibia | 112,510 | 2018 | |
| 223. | Nauru | 585 | 2018 | |
| 44. | Nepal | 1,911,688 | 2018 | |
| 62. | Netherlands | 1,020,448 | 2018 | |
| 191. | Netherlands Antilles | 7,341 | 2018 | |
| 179. | New Caledonia | 20,735 | 2018 | |
| 125. | New Zealand | 281,815 | 2018 | |
| 112. | Nicaragua | 365,950 | 2018 | |
| 71. | Niger | 793,897 | 2018 | |
| 9. | Nigeria | 8,949,604 | 2018 | |
| 48. | North Korea | 1,618,653 | 2018 | |
| 209. | Northern Mariana Islands | 3,100 | 2018 | |
| 120. | Norway | 303,705 | 2018 | |
| 133. | Oman | 231,469 | 2018 | |
| 7. | Pakistan | 11,085,738 | 2018 | |
| 219. | Palau | 1,516 | 2018 | |
| 128. | Panama | 252,740 | 2018 | |
| 105. | Papua New Guinea | 436,405 | 2018 | |
| 104. | Paraguay | 443,237 | 2018 | |
| 41. | Peru | 1,999,300 | 2018 | |
| 13. | Philippines | 6,765,413 | 2018 | |
| 29. | Poland | 2,988,334 | 2018 | |
| 66. | Portugal | 869,283 | 2018 | |
| 126. | Puerto Rico | 270,651 | 2018 | |
| 124. | Qatar | 286,521 | 2018 | |
| 136. | Republic of Congo | 203,962 | 2018 | |
| 45. | Romania | 1,899,157 | 2018 | |
| 8. | Russia | 9,643,893 | 2018 | |
| 75. | Rwanda | 684,945 | 2018 | |
| 225. | Saint Barthélemy | 501 | 2018 | |
| 222. | Saint Helena | 601 | 2018 | |
| 205. | Saint Kitts and Nevis | 3,965 | 2018 | |
| 184. | Saint Lucia | 11,834 | 2018 | |
| 215. | Saint Martin | 2,497 | 2018 | |
| 228. | Saint Pierre and Miquelon | 418 | 2018 | |
| 192. | Saint Vincent and the Grenadines | 7,264 | 2018 | |
| 186. | Samoa | 11,657 | 2018 | |
| 216. | San Marino | 2,397 | 2018 | |
| 187. | Sao Tome and Principe | 10,122 | 2018 | |
| 39. | Saudi Arabia | 2,062,749 | 2018 | |
| 82. | Senegal | 653,455 | 2018 | |
| 94. | Serbia | 515,240 | 2018 | |
| 188. | Seychelles | 8,261 | 2018 | |
| 121. | Sierra Leone | 294,757 | 2018 | |
| 103. | Singapore | 447,707 | 2018 | |
| 213. | Sint Maarten | 2,594 | 2018 | |
| 101. | Slovakia | 463,221 | 2018 | |
| 143. | Slovenia | 151,420 | 2018 | |
| 167. | Solomon Islands | 40,235 | 2018 | |
| 97. | Somalia | 502,995 | 2018 | |
| 34. | South Africa | 2,429,563 | 2018 | |
| 26. | South Korea | 3,668,897 | 2018 | |
| 21. | Spain | 4,383,976 | 2018 | |
| 49. | Sri Lanka | 1,555,918 | 2018 | |
| 32. | Sudan | 2,466,063 | 2018 | |
| 168. | Suriname | 38,876 | 2018 | |
| 158. | Swaziland | 63,082 | 2018 | |
| 88. | Sweden | 554,232 | 2018 | |
| 95. | Switzerland | 512,187 | 2018 | |
| 54. | Syria | 1,364,732 | 2018 | |
| 46. | Taiwan | 1,843,582 | 2018 | |
| 98. | Tajikistan | 493,125 | 2018 | |
| 36. | Tanzania | 2,327,384 | 2018 |
