The World: Population - Age 20-24 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Central African Republic | 546,679 | 2019 | |
| 102. | Hungary | 536,715 | 2019 | |
| 103. | Greece | 525,713 | 2019 | |
| 104. | United Arab Emirates | 522,483 | 2019 | |
| 105. | Kyrgyzstan | 515,877 | 2019 | |
| 106. | Sweden | 514,327 | 2019 | |
| 107. | Republic of Congo | 510,932 | 2019 | |
| 108. | Turkmenistan | 490,838 | 2019 | |
| 109. | Belarus | 473,905 | 2019 | |
| 110. | Czech Republic | 471,743 | 2019 | |
| 111. | Austria | 464,884 | 2019 | |
| 112. | Switzerland | 449,476 | 2019 | |
| 113. | Liberia | 426,780 | 2019 | |
| 114. | Costa Rica | 406,401 | 2019 | |
| 115. | Serbia | 401,292 | 2019 | |
| 116. | Denmark | 373,309 | 2019 | |
| 117. | Mauritania | 364,530 | 2019 | |
| 118. | Hong Kong | 347,406 | 2019 | |
| 119. | Oman | 336,428 | 2019 | |
| 120. | Panama | 320,980 | 2019 | |
| 121. | Lebanon | 320,745 | 2019 | |
| 122. | Jamaica | 318,187 | 2019 | |
| 123. | Norway | 317,413 | 2019 | |
| 124. | Finland | 306,884 | 2019 | |
| 125. | West Bank | 305,735 | 2019 | |
| 126. | New Zealand | 300,388 | 2019 | |
| 127. | Ireland | 299,271 | 2019 | |
| 128. | Bulgaria | 298,249 | 2019 | |
| 129. | Slovakia | 297,889 | 2019 | |
| 130. | Mongolia | 288,444 | 2019 | |
| 131. | Albania | 275,012 | 2019 | |
| 132. | Croatia | 270,868 | 2019 | |
| 133. | Uruguay | 268,507 | 2019 | |
| 134. | Bosnia and Herzegovina | 265,950 | 2019 | |
| 135. | Puerto Rico | 265,037 | 2019 | |
| 136. | Georgia | 262,543 | 2019 | |
| 137. | Kuwait | 259,852 | 2019 | |
| 138. | Namibia | 257,093 | 2019 | |
| 139. | Botswana | 236,424 | 2019 | |
| 140. | The Gambia | 207,243 | 2019 | |
| 141. | Moldova | 206,272 | 2019 | |
| 142. | Armenia | 202,146 | 2019 | |
| 143. | Qatar | 191,591 | 2019 | |
| 144. | Gaza Strip | 188,777 | 2019 | |
| 145. | Lithuania | 186,361 | 2019 | |
| 146. | Lesotho | 182,485 | 2019 | |
| 147. | Guinea-Bissau | 176,802 | 2019 | |
| 148. | Gabon | 175,451 | 2019 | |
| 149. | Swaziland | 160,234 | 2019 | |
| 150. | Kosovo | 160,056 | 2019 | |
| 151. | Macedonia | 145,916 | 2019 | |
| 152. | Bahrain | 125,496 | 2019 | |
| 153. | East Timor | 124,098 | 2019 | |
| 154. | Mauritius | 98,323 | 2019 | |
| 155. | Djibouti | 95,154 | 2019 | |
| 156. | Slovenia | 93,040 | 2019 | |
| 157. | Cyprus | 91,920 | 2019 | |
| 158. | Latvia | 90,627 | 2019 | |
| 159. | Guyana | 79,841 | 2019 | |
| 160. | Equatorial Guinea | 75,066 | 2019 | |
| 161. | Comoros | 74,589 | 2019 | |
| 162. | Fiji | 74,046 | 2019 | |
| 163. | Bhutan | 70,876 | 2019 | |
| 164. | Trinidad and Tobago | 67,120 | 2019 | |
| 165. | Solomon Islands | 64,042 | 2019 | |
| 166. | Western Sahara | 58,597 | 2019 | |
| 167. | Estonia | 56,473 | 2019 | |
| 168. | Cape Verde | 55,476 | 2019 | |
| 169. | Suriname | 51,789 | 2019 | |
| 170. | Maldives | 41,094 | 2019 | |
| 171. | Brunei | 40,228 | 2019 | |
| 172. | Belize | 36,796 | 2019 | |
| 173. | Macau | 35,993 | 2019 | |
| 174. | Luxembourg | 35,507 | 2019 | |
| 175. | Montenegro | 29,710 | 2019 | |
| 176. | The Bahamas | 27,548 | 2019 | |
| 177. | Malta | 24,431 | 2019 | |
| 178. | New Caledonia | 23,205 | 2019 | |
| 179. | Vanuatu | 22,243 | 2019 | |
| 180. | Iceland | 22,181 | 2019 | |
| 181. | French Polynesia | 21,622 | 2019 | |
| 182. | Mayotte | 21,350 | 2019 | |
| 183. | Sao Tome and Principe | 19,717 | 2019 | |
| 184. | Samoa | 19,081 | 2019 | |
| 185. | Barbados | 18,285 | 2019 | |
| 186. | Guam | 16,499 | 2019 | |
| 187. | Saint Lucia | 12,374 | 2019 | |
| 188. | Kiribati | 11,464 | 2019 | |
| 189. | Netherlands Antilles | 10,784 | 2019 | |
| 190. | Tonga | 9,838 | 2019 | |
| 191. | Federated States of Micronesia | 9,307 | 2019 | |
| 192. | Grenada | 8,104 | 2019 | |
| 193. | Antigua and Barbuda | 8,077 | 2019 | |
| 194. | Aruba | 7,806 | 2019 | |
| 195. | Channel Islands | 7,743 | 2019 | |
| 196. | Saint Vincent and the Grenadines | 7,740 | 2019 | |
| 197. | Marshall Islands | 6,766 | 2019 | |
| 198. | American Samoa | 6,674 | 2019 | |
| 199. | Seychelles | 6,125 | 2019 | |
| 200. | U.S. Virgin Islands | 5,837 | 2019 |
