The World: Population - Age 20-24 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Central African Republic | 558,149 | 2020 | |
| 102. | United Arab Emirates | 531,985 | 2020 | |
| 103. | Republic of Congo | 526,644 | 2020 | |
| 104. | Greece | 524,429 | 2020 | |
| 105. | Hungary | 519,487 | 2020 | |
| 106. | Kyrgyzstan | 503,985 | 2020 | |
| 107. | Sweden | 496,371 | 2020 | |
| 108. | Turkmenistan | 473,688 | 2020 | |
| 109. | Belarus | 461,690 | 2020 | |
| 110. | Czech Republic | 461,065 | 2020 | |
| 111. | Liberia | 455,770 | 2020 | |
| 112. | Austria | 452,629 | 2020 | |
| 113. | Switzerland | 444,522 | 2020 | |
| 114. | Costa Rica | 402,638 | 2020 | |
| 115. | Serbia | 388,634 | 2020 | |
| 116. | Mauritania | 372,072 | 2020 | |
| 117. | Denmark | 369,896 | 2020 | |
| 118. | Oman | 334,850 | 2020 | |
| 119. | Hong Kong | 326,655 | 2020 | |
| 120. | Panama | 324,015 | 2020 | |
| 121. | Norway | 316,104 | 2020 | |
| 122. | Lebanon | 312,768 | 2020 | |
| 123. | Jamaica | 312,455 | 2020 | |
| 124. | West Bank | 307,499 | 2020 | |
| 125. | Ireland | 303,782 | 2020 | |
| 126. | New Zealand | 300,535 | 2020 | |
| 127. | Finland | 300,057 | 2020 | |
| 128. | Bulgaria | 296,877 | 2020 | |
| 129. | Slovakia | 289,942 | 2020 | |
| 130. | Mongolia | 283,087 | 2020 | |
| 131. | Uruguay | 266,583 | 2020 | |
| 132. | Croatia | 262,577 | 2020 | |
| 133. | Albania | 261,860 | 2020 | |
| 134. | Kuwait | 260,279 | 2020 | |
| 135. | Puerto Rico | 260,242 | 2020 | |
| 136. | Bosnia and Herzegovina | 259,864 | 2020 | |
| 137. | Namibia | 257,256 | 2020 | |
| 138. | Georgia | 251,828 | 2020 | |
| 139. | Botswana | 237,530 | 2020 | |
| 140. | The Gambia | 209,331 | 2020 | |
| 141. | Moldova | 194,175 | 2020 | |
| 142. | Gaza Strip | 194,099 | 2020 | |
| 143. | Qatar | 190,515 | 2020 | |
| 144. | Armenia | 189,941 | 2020 | |
| 145. | Lesotho | 182,772 | 2020 | |
| 146. | Guinea-Bissau | 180,129 | 2020 | |
| 147. | Lithuania | 179,867 | 2020 | |
| 148. | Gabon | 179,820 | 2020 | |
| 149. | Kosovo | 163,882 | 2020 | |
| 150. | Swaziland | 161,706 | 2020 | |
| 151. | Macedonia | 141,808 | 2020 | |
| 152. | Bahrain | 127,026 | 2020 | |
| 153. | East Timor | 126,387 | 2020 | |
| 154. | Mauritius | 97,574 | 2020 | |
| 155. | Djibouti | 96,302 | 2020 | |
| 156. | Slovenia | 91,588 | 2020 | |
| 157. | Cyprus | 88,637 | 2020 | |
| 158. | Latvia | 87,899 | 2020 | |
| 159. | Guyana | 81,334 | 2020 | |
| 160. | Comoros | 77,578 | 2020 | |
| 161. | Equatorial Guinea | 77,314 | 2020 | |
| 162. | Fiji | 72,024 | 2020 | |
| 163. | Bhutan | 70,443 | 2020 | |
| 164. | Trinidad and Tobago | 66,271 | 2020 | |
| 165. | Solomon Islands | 65,249 | 2020 | |
| 166. | Western Sahara | 60,051 | 2020 | |
| 167. | Estonia | 55,678 | 2020 | |
| 168. | Cape Verde | 54,721 | 2020 | |
| 169. | Suriname | 53,424 | 2020 | |
| 170. | Brunei | 40,192 | 2020 | |
| 171. | Maldives | 38,544 | 2020 | |
| 172. | Belize | 37,166 | 2020 | |
| 173. | Luxembourg | 35,729 | 2020 | |
| 174. | Macau | 33,390 | 2020 | |
| 175. | Montenegro | 29,218 | 2020 | |
| 176. | The Bahamas | 27,160 | 2020 | |
| 177. | Malta | 24,017 | 2020 | |
| 178. | New Caledonia | 23,412 | 2020 | |
| 179. | Mayotte | 22,412 | 2020 | |
| 180. | Vanuatu | 22,093 | 2020 | |
| 181. | Iceland | 22,078 | 2020 | |
| 182. | French Polynesia | 21,550 | 2020 | |
| 183. | Sao Tome and Principe | 20,458 | 2020 | |
| 184. | Samoa | 19,034 | 2020 | |
| 185. | Barbados | 18,229 | 2020 | |
| 186. | Guam | 16,758 | 2020 | |
| 187. | Saint Lucia | 11,818 | 2020 | |
| 188. | Kiribati | 11,690 | 2020 | |
| 189. | Netherlands Antilles | 10,275 | 2020 | |
| 190. | Tonga | 9,860 | 2020 | |
| 191. | Federated States of Micronesia | 9,112 | 2020 | |
| 192. | Antigua and Barbuda | 8,207 | 2020 | |
| 193. | Grenada | 7,768 | 2020 | |
| 194. | Aruba | 7,670 | 2020 | |
| 195. | Saint Vincent and the Grenadines | 7,549 | 2020 | |
| 196. | Channel Islands | 7,537 | 2020 | |
| 197. | Marshall Islands | 7,047 | 2020 | |
| 198. | American Samoa | 6,551 | 2020 | |
| 199. | Seychelles | 6,004 | 2020 | |
| 200. | U.S. Virgin Islands | 5,668 | 2020 |
