The World: Population - Age 25-29 (2023) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Sweden | 555,214 | 2023 | |
| 102. | Hungary | 553,833 | 2023 | |
| 103. | Greece | 552,532 | 2023 | |
| 104. | Sierra Leone | 527,684 | 2023 | |
| 105. | Central African Republic | 522,072 | 2023 | |
| 106. | Kyrgyzstan | 510,316 | 2023 | |
| 107. | Czech Republic | 500,694 | 2023 | |
| 108. | Turkmenistan | 499,763 | 2023 | |
| 109. | Belarus | 491,820 | 2023 | |
| 110. | Austria | 491,579 | 2023 | |
| 111. | Republic of Congo | 482,167 | 2023 | |
| 112. | Switzerland | 468,939 | 2023 | |
| 113. | Costa Rica | 412,192 | 2023 | |
| 114. | Serbia | 412,069 | 2023 | |
| 115. | Liberia | 387,362 | 2023 | |
| 116. | Hong Kong | 385,656 | 2023 | |
| 117. | Denmark | 383,325 | 2023 | |
| 118. | Oman | 379,047 | 2023 | |
| 119. | Kuwait | 354,086 | 2023 | |
| 120. | Mauritania | 348,133 | 2023 | |
| 121. | Norway | 323,095 | 2023 | |
| 122. | Panama | 316,544 | 2023 | |
| 123. | Finland | 314,255 | 2023 | |
| 124. | Ireland | 313,284 | 2023 | |
| 125. | Qatar | 313,086 | 2023 | |
| 126. | Lebanon | 311,720 | 2023 | |
| 127. | Slovakia | 311,030 | 2023 | |
| 128. | Jamaica | 310,118 | 2023 | |
| 129. | West Bank | 302,007 | 2023 | |
| 130. | New Zealand | 299,945 | 2023 | |
| 131. | Bulgaria | 295,412 | 2023 | |
| 132. | Mongolia | 286,883 | 2023 | |
| 133. | Croatia | 278,083 | 2023 | |
| 134. | Albania | 273,064 | 2023 | |
| 135. | Bosnia and Herzegovina | 265,057 | 2023 | |
| 136. | Uruguay | 265,047 | 2023 | |
| 137. | Georgia | 263,310 | 2023 | |
| 138. | Puerto Rico | 254,533 | 2023 | |
| 139. | Namibia | 247,499 | 2023 | |
| 140. | Botswana | 231,338 | 2023 | |
| 141. | Armenia | 214,505 | 2023 | |
| 142. | The Gambia | 202,893 | 2023 | |
| 143. | Moldova | 196,326 | 2023 | |
| 144. | Lithuania | 190,883 | 2023 | |
| 145. | Gaza Strip | 184,894 | 2023 | |
| 146. | Lesotho | 171,807 | 2023 | |
| 147. | Guinea-Bissau | 167,615 | 2023 | |
| 148. | Gabon | 162,253 | 2023 | |
| 149. | Bahrain | 157,607 | 2023 | |
| 150. | Swaziland | 154,447 | 2023 | |
| 151. | Kosovo | 152,054 | 2023 | |
| 152. | Macedonia | 145,913 | 2023 | |
| 153. | East Timor | 123,887 | 2023 | |
| 154. | Cyprus | 101,417 | 2023 | |
| 155. | Mauritius | 100,040 | 2023 | |
| 156. | Djibouti | 98,561 | 2023 | |
| 157. | Slovenia | 95,374 | 2023 | |
| 158. | Latvia | 93,940 | 2023 | |
| 159. | Guyana | 76,959 | 2023 | |
| 160. | Fiji | 72,225 | 2023 | |
| 161. | Equatorial Guinea | 72,160 | 2023 | |
| 162. | Bhutan | 70,991 | 2023 | |
| 163. | Comoros | 69,259 | 2023 | |
| 164. | Trinidad and Tobago | 62,903 | 2023 | |
| 165. | Solomon Islands | 62,296 | 2023 | |
| 166. | Western Sahara | 57,770 | 2023 | |
| 167. | Cape Verde | 53,987 | 2023 | |
| 168. | Estonia | 53,763 | 2023 | |
| 169. | Suriname | 50,198 | 2023 | |
| 170. | Brunei | 45,297 | 2023 | |
| 171. | Macau | 40,483 | 2023 | |
| 172. | Luxembourg | 39,947 | 2023 | |
| 173. | Maldives | 38,651 | 2023 | |
| 174. | Belize | 35,878 | 2023 | |
| 175. | Montenegro | 30,257 | 2023 | |
| 176. | The Bahamas | 27,627 | 2023 | |
| 177. | Malta | 24,996 | 2023 | |
| 178. | New Caledonia | 23,860 | 2023 | |
| 179. | Iceland | 22,564 | 2023 | |
| 180. | Vanuatu | 22,134 | 2023 | |
| 181. | French Polynesia | 22,104 | 2023 | |
| 182. | Mayotte | 18,663 | 2023 | |
| 183. | Barbados | 18,343 | 2023 | |
| 184. | Samoa | 18,043 | 2023 | |
| 185. | Sao Tome and Principe | 17,594 | 2023 | |
| 186. | Guam | 16,319 | 2023 | |
| 187. | Saint Lucia | 11,750 | 2023 | |
| 188. | Netherlands Antilles | 11,169 | 2023 | |
| 189. | Kiribati | 10,936 | 2023 | |
| 190. | Tonga | 8,567 | 2023 | |
| 191. | Channel Islands | 8,416 | 2023 | |
| 192. | Aruba | 8,240 | 2023 | |
| 193. | Antigua and Barbuda | 8,022 | 2023 | |
| 194. | Federated States of Micronesia | 8,020 | 2023 | |
| 195. | Grenada | 7,817 | 2023 | |
| 196. | Saint Vincent and the Grenadines | 7,142 | 2023 | |
| 197. | American Samoa | 6,807 | 2023 | |
| 198. | Seychelles | 6,715 | 2023 | |
| 199. | Marshall Islands | 6,203 | 2023 | |
| 200. | U.S. Virgin Islands | 5,713 | 2023 |
