The World: Population - Age 40-44 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Slovakia | 463,221 | 2018 | |
| 102. | Chad | 456,397 | 2018 | |
| 103. | Singapore | 447,707 | 2018 | |
| 104. | Paraguay | 443,237 | 2018 | |
| 105. | Papua New Guinea | 436,405 | 2018 | |
| 106. | Jordan | 403,830 | 2018 | |
| 107. | Ireland | 395,868 | 2018 | |
| 108. | El Salvador | 389,054 | 2018 | |
| 109. | Laos | 387,681 | 2018 | |
| 110. | Togo | 383,367 | 2018 | |
| 111. | Denmark | 366,760 | 2018 | |
| 112. | Nicaragua | 365,950 | 2018 | |
| 113. | Eritrea | 358,841 | 2018 | |
| 114. | Kyrgyzstan | 355,037 | 2018 | |
| 115. | Turkmenistan | 346,077 | 2018 | |
| 116. | Bosnia and Herzegovina | 338,900 | 2018 | |
| 117. | Costa Rica | 336,368 | 2018 | |
| 118. | Finland | 320,473 | 2018 | |
| 119. | Croatia | 309,016 | 2018 | |
| 120. | Norway | 303,705 | 2018 | |
| 121. | Sierra Leone | 294,757 | 2018 | |
| 122. | Lebanon | 292,983 | 2018 | |
| 123. | Georgia | 289,571 | 2018 | |
| 124. | Qatar | 286,521 | 2018 | |
| 125. | New Zealand | 281,815 | 2018 | |
| 126. | Puerto Rico | 270,651 | 2018 | |
| 127. | Central African Republic | 255,542 | 2018 | |
| 128. | Panama | 252,740 | 2018 | |
| 129. | Mongolia | 250,286 | 2018 | |
| 130. | Lithuania | 243,447 | 2018 | |
| 131. | Moldova | 241,587 | 2018 | |
| 132. | Kuwait | 239,686 | 2018 | |
| 133. | Oman | 231,469 | 2018 | |
| 134. | Uruguay | 224,125 | 2018 | |
| 135. | Armenia | 206,426 | 2018 | |
| 136. | Republic of Congo | 203,962 | 2018 | |
| 137. | Liberia | 203,132 | 2018 | |
| 138. | Mauritania | 187,980 | 2018 | |
| 139. | West Bank | 172,761 | 2018 | |
| 140. | Albania | 171,030 | 2018 | |
| 141. | Jamaica | 161,586 | 2018 | |
| 142. | Macedonia | 155,696 | 2018 | |
| 143. | Slovenia | 151,420 | 2018 | |
| 144. | Latvia | 146,526 | 2018 | |
| 145. | Bahrain | 142,632 | 2018 | |
| 146. | Kosovo | 117,826 | 2018 | |
| 147. | Botswana | 115,192 | 2018 | |
| 148. | Namibia | 112,510 | 2018 | |
| 149. | The Gambia | 107,314 | 2018 | |
| 150. | Mauritius | 101,262 | 2018 | |
| 151. | Lesotho | 99,850 | 2018 | |
| 152. | Cyprus | 90,837 | 2018 | |
| 153. | Gaza Strip | 89,458 | 2018 | |
| 154. | Guinea-Bissau | 87,484 | 2018 | |
| 155. | Trinidad and Tobago | 82,403 | 2018 | |
| 156. | Estonia | 80,688 | 2018 | |
| 157. | Gabon | 64,960 | 2018 | |
| 158. | Swaziland | 63,082 | 2018 | |
| 159. | East Timor | 61,272 | 2018 | |
| 160. | Fiji | 60,114 | 2018 | |
| 161. | Montenegro | 53,887 | 2018 | |
| 162. | Djibouti | 49,835 | 2018 | |
| 163. | Bhutan | 49,673 | 2018 | |
| 164. | Macau | 46,352 | 2018 | |
| 165. | Guyana | 44,441 | 2018 | |
| 166. | Comoros | 43,847 | 2018 | |
| 167. | Solomon Islands | 40,235 | 2018 | |
| 168. | Suriname | 38,876 | 2018 | |
| 169. | Equatorial Guinea | 37,602 | 2018 | |
| 170. | Luxembourg | 35,446 | 2018 | |
| 171. | Brunei | 34,577 | 2018 | |
| 172. | Western Sahara | 31,422 | 2018 | |
| 173. | Cape Verde | 31,019 | 2018 | |
| 174. | Malta | 29,206 | 2018 | |
| 175. | Maldives | 25,088 | 2018 | |
| 176. | The Bahamas | 24,986 | 2018 | |
| 177. | Iceland | 21,293 | 2018 | |
| 178. | Barbados | 20,885 | 2018 | |
| 179. | New Caledonia | 20,735 | 2018 | |
| 180. | French Polynesia | 19,913 | 2018 | |
| 181. | Belize | 18,639 | 2018 | |
| 182. | Vanuatu | 16,433 | 2018 | |
| 183. | Mayotte | 12,393 | 2018 | |
| 184. | Saint Lucia | 11,834 | 2018 | |
| 185. | Guam | 11,766 | 2018 | |
| 186. | Samoa | 11,657 | 2018 | |
| 187. | Sao Tome and Principe | 10,122 | 2018 | |
| 188. | Seychelles | 8,261 | 2018 | |
| 189. | Andorra | 8,035 | 2018 | |
| 190. | Aruba | 7,562 | 2018 | |
| 191. | Netherlands Antilles | 7,341 | 2018 | |
| 192. | Saint Vincent and the Grenadines | 7,264 | 2018 | |
| 193. | Grenada | 6,939 | 2018 | |
| 194. | Federated States of Micronesia | 6,550 | 2018 | |
| 195. | Antigua and Barbuda | 6,507 | 2018 | |
| 196. | U.S. Virgin Islands | 6,148 | 2018 | |
| 197. | Kiribati | 5,644 | 2018 | |
| 198. | Turks and Caicos Islands | 5,590 | 2018 | |
| 199. | Isle of Man | 5,491 | 2018 | |
| 200. | Tonga | 5,006 | 2018 |
