The World: Population - Male - Age 20-24 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Sierra Leone | 282,282 | 2021 | |
| 102. | Republic of Congo | 271,651 | 2021 | |
| 103. | Singapore | 267,846 | 2021 | |
| 104. | Greece | 266,294 | 2021 | |
| 105. | Hungary | 262,886 | 2021 | |
| 106. | Kyrgyzstan | 249,333 | 2021 | |
| 107. | Sweden | 249,333 | 2021 | |
| 108. | Liberia | 238,095 | 2021 | |
| 109. | Czech Republic | 235,759 | 2021 | |
| 110. | Belarus | 234,197 | 2021 | |
| 111. | Turkmenistan | 230,636 | 2021 | |
| 112. | Switzerland | 226,959 | 2021 | |
| 113. | Austria | 224,083 | 2021 | |
| 114. | Costa Rica | 203,177 | 2021 | |
| 115. | Serbia | 195,907 | 2021 | |
| 116. | Denmark | 186,865 | 2021 | |
| 117. | Mauritania | 184,304 | 2021 | |
| 118. | Oman | 177,399 | 2021 | |
| 119. | Panama | 166,085 | 2021 | |
| 120. | Hong Kong | 159,377 | 2021 | |
| 121. | Norway | 158,461 | 2021 | |
| 122. | West Bank | 157,579 | 2021 | |
| 123. | Ireland | 155,614 | 2021 | |
| 124. | Lebanon | 155,128 | 2021 | |
| 125. | New Zealand | 154,429 | 2021 | |
| 126. | Bulgaria | 154,393 | 2021 | |
| 127. | Jamaica | 153,075 | 2021 | |
| 128. | Finland | 150,176 | 2021 | |
| 129. | Kuwait | 148,287 | 2021 | |
| 130. | Slovakia | 145,304 | 2021 | |
| 131. | Qatar | 144,472 | 2021 | |
| 132. | Mongolia | 140,729 | 2021 | |
| 133. | Uruguay | 132,716 | 2021 | |
| 134. | Namibia | 129,879 | 2021 | |
| 135. | Bosnia and Herzegovina | 128,967 | 2021 | |
| 136. | Albania | 128,676 | 2021 | |
| 137. | Puerto Rico | 128,432 | 2021 | |
| 138. | Croatia | 127,788 | 2021 | |
| 139. | Georgia | 127,609 | 2021 | |
| 140. | Botswana | 117,729 | 2021 | |
| 141. | The Gambia | 104,498 | 2021 | |
| 142. | Gaza Strip | 103,165 | 2021 | |
| 143. | Moldova | 96,288 | 2021 | |
| 144. | Armenia | 94,479 | 2021 | |
| 145. | Gabon | 92,584 | 2021 | |
| 146. | Guinea-Bissau | 90,887 | 2021 | |
| 147. | Lithuania | 88,750 | 2021 | |
| 148. | Lesotho | 86,748 | 2021 | |
| 149. | Kosovo | 86,196 | 2021 | |
| 150. | Swaziland | 82,490 | 2021 | |
| 151. | Bahrain | 74,812 | 2021 | |
| 152. | Macedonia | 71,659 | 2021 | |
| 153. | East Timor | 63,830 | 2021 | |
| 154. | Mauritius | 49,351 | 2021 | |
| 155. | Cyprus | 47,150 | 2021 | |
| 156. | Slovenia | 46,458 | 2021 | |
| 157. | Djibouti | 44,647 | 2021 | |
| 158. | Latvia | 44,638 | 2021 | |
| 159. | Guyana | 42,062 | 2021 | |
| 160. | Equatorial Guinea | 40,527 | 2021 | |
| 161. | Comoros | 38,796 | 2021 | |
| 162. | Fiji | 35,669 | 2021 | |
| 163. | Bhutan | 35,620 | 2021 | |
| 164. | Trinidad and Tobago | 34,644 | 2021 | |
| 165. | Solomon Islands | 34,135 | 2021 | |
| 166. | Western Sahara | 30,933 | 2021 | |
| 167. | Estonia | 28,588 | 2021 | |
| 168. | Suriname | 27,654 | 2021 | |
| 169. | Cape Verde | 26,963 | 2021 | |
| 170. | Maldives | 20,319 | 2021 | |
| 171. | Brunei | 19,785 | 2021 | |
| 172. | Belize | 19,106 | 2021 | |
| 173. | Luxembourg | 18,241 | 2021 | |
| 174. | Macau | 16,321 | 2021 | |
| 175. | The Bahamas | 13,477 | 2021 | |
| 176. | Montenegro | 12,424 | 2021 | |
| 177. | New Caledonia | 12,019 | 2021 | |
| 178. | Malta | 11,926 | 2021 | |
| 179. | French Polynesia | 11,288 | 2021 | |
| 180. | Vanuatu | 11,167 | 2021 | |
| 181. | Iceland | 10,966 | 2021 | |
| 182. | Sao Tome and Principe | 10,707 | 2021 | |
| 183. | Mayotte | 10,557 | 2021 | |
| 184. | Samoa | 9,729 | 2021 | |
| 185. | Barbados | 9,000 | 2021 | |
| 186. | Guam | 8,941 | 2021 | |
| 187. | Kiribati | 5,721 | 2021 | |
| 188. | Saint Lucia | 5,704 | 2021 | |
| 189. | Netherlands Antilles | 5,159 | 2021 | |
| 190. | Tonga | 5,017 | 2021 | |
| 191. | Federated States of Micronesia | 4,439 | 2021 | |
| 192. | Antigua and Barbuda | 4,099 | 2021 | |
| 193. | Grenada | 3,766 | 2021 | |
| 194. | Saint Vincent and the Grenadines | 3,740 | 2021 | |
| 195. | Aruba | 3,736 | 2021 | |
| 196. | Channel Islands | 3,688 | 2021 | |
| 197. | Marshall Islands | 3,676 | 2021 | |
| 198. | American Samoa | 3,271 | 2021 | |
| 199. | Seychelles | 3,154 | 2021 | |
| 200. | Isle of Man | 2,725 | 2021 |
