The World: Population - Age 20-24 (2016) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Singapore | 585,010 | 2016 | |
| 102. | Belarus | 563,451 | 2016 | |
| 103. | Czech Republic | 558,514 | 2016 | |
| 104. | Kyrgyzstan | 557,343 | 2016 | |
| 105. | Turkmenistan | 538,994 | 2016 | |
| 106. | Greece | 532,327 | 2016 | |
| 107. | Sierra Leone | 521,579 | 2016 | |
| 108. | Central African Republic | 518,772 | 2016 | |
| 109. | Austria | 499,216 | 2016 | |
| 110. | United Arab Emirates | 498,379 | 2016 | |
| 111. | Switzerland | 471,002 | 2016 | |
| 112. | Republic of Congo | 464,901 | 2016 | |
| 113. | Serbia | 429,078 | 2016 | |
| 114. | Costa Rica | 419,150 | 2016 | |
| 115. | Hong Kong | 403,739 | 2016 | |
| 116. | Denmark | 375,492 | 2016 | |
| 117. | Lebanon | 347,626 | 2016 | |
| 118. | Bulgaria | 344,769 | 2016 | |
| 119. | Slovakia | 342,209 | 2016 | |
| 120. | Mauritania | 341,737 | 2016 | |
| 121. | Oman | 334,146 | 2016 | |
| 122. | Finland | 328,079 | 2016 | |
| 123. | Liberia | 325,852 | 2016 | |
| 124. | Jamaica | 319,688 | 2016 | |
| 125. | Norway | 319,475 | 2016 | |
| 126. | New Zealand | 307,579 | 2016 | |
| 127. | Panama | 306,326 | 2016 | |
| 128. | Georgia | 301,791 | 2016 | |
| 129. | West Bank | 295,302 | 2016 | |
| 130. | Albania | 293,096 | 2016 | |
| 131. | Mongolia | 292,906 | 2016 | |
| 132. | Ireland | 285,553 | 2016 | |
| 133. | Puerto Rico | 274,367 | 2016 | |
| 134. | Croatia | 273,843 | 2016 | |
| 135. | Bosnia and Herzegovina | 269,511 | 2016 | |
| 136. | Uruguay | 263,603 | 2016 | |
| 137. | Kuwait | 253,525 | 2016 | |
| 138. | Armenia | 252,725 | 2016 | |
| 139. | Namibia | 251,682 | 2016 | |
| 140. | Moldova | 249,018 | 2016 | |
| 141. | Botswana | 233,498 | 2016 | |
| 142. | Lithuania | 221,330 | 2016 | |
| 143. | The Gambia | 201,224 | 2016 | |
| 144. | Qatar | 194,815 | 2016 | |
| 145. | Lesotho | 188,055 | 2016 | |
| 146. | Gaza Strip | 184,874 | 2016 | |
| 147. | Guinea-Bissau | 166,963 | 2016 | |
| 148. | Gabon | 164,054 | 2016 | |
| 149. | Kosovo | 157,841 | 2016 | |
| 150. | Swaziland | 157,343 | 2016 | |
| 151. | Macedonia | 148,116 | 2016 | |
| 152. | East Timor | 126,132 | 2016 | |
| 153. | Bahrain | 119,705 | 2016 | |
| 154. | Latvia | 118,043 | 2016 | |
| 155. | Mauritius | 105,514 | 2016 | |
| 156. | Cyprus | 100,492 | 2016 | |
| 157. | Slovenia | 99,311 | 2016 | |
| 158. | Djibouti | 91,435 | 2016 | |
| 159. | Trinidad and Tobago | 76,649 | 2016 | |
| 160. | Fiji | 76,201 | 2016 | |
| 161. | Guyana | 74,761 | 2016 | |
| 162. | Bhutan | 73,738 | 2016 | |
| 163. | Equatorial Guinea | 68,768 | 2016 | |
| 164. | Comoros | 68,121 | 2016 | |
| 165. | Estonia | 66,321 | 2016 | |
| 166. | Solomon Islands | 60,112 | 2016 | |
| 167. | Cape Verde | 56,914 | 2016 | |
| 168. | Western Sahara | 54,368 | 2016 | |
| 169. | Maldives | 48,508 | 2016 | |
| 170. | Suriname | 47,946 | 2016 | |
| 171. | Macau | 43,434 | 2016 | |
| 172. | Brunei | 39,033 | 2016 | |
| 173. | Belize | 35,506 | 2016 | |
| 174. | Luxembourg | 34,570 | 2016 | |
| 175. | Montenegro | 34,107 | 2016 | |
| 176. | The Bahamas | 28,223 | 2016 | |
| 177. | Malta | 25,940 | 2016 | |
| 178. | Iceland | 23,158 | 2016 | |
| 179. | French Polynesia | 23,146 | 2016 | |
| 180. | New Caledonia | 22,982 | 2016 | |
| 181. | Vanuatu | 22,729 | 2016 | |
| 182. | Barbados | 19,672 | 2016 | |
| 183. | Samoa | 18,939 | 2016 | |
| 184. | Mayotte | 17,607 | 2016 | |
| 185. | Sao Tome and Principe | 17,495 | 2016 | |
| 186. | Guam | 16,233 | 2016 | |
| 187. | Saint Lucia | 13,482 | 2016 | |
| 188. | Netherlands Antilles | 11,433 | 2016 | |
| 189. | Kiribati | 10,743 | 2016 | |
| 190. | Federated States of Micronesia | 9,610 | 2016 | |
| 191. | Tonga | 9,583 | 2016 | |
| 192. | Grenada | 8,783 | 2016 | |
| 193. | Saint Vincent and the Grenadines | 8,359 | 2016 | |
| 194. | Channel Islands | 7,710 | 2016 | |
| 195. | Aruba | 7,647 | 2016 | |
| 196. | Antigua and Barbuda | 7,568 | 2016 | |
| 197. | American Samoa | 7,386 | 2016 | |
| 198. | Seychelles | 6,685 | 2016 | |
| 199. | U.S. Virgin Islands | 6,411 | 2016 | |
| 200. | Dominica | 6,335 | 2016 |
