The World: Population - Age 45-49 (2021) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 228. | Tuvalu | 371 | 2021 | |
| 227. | Saint Pierre and Miquelon | 456 | 2021 | |
| 226. | Montserrat | 461 | 2021 | |
| 225. | Nauru | 507 | 2021 | |
| 224. | Saint Barthélemy | 508 | 2021 | |
| 223. | Cook Islands | 596 | 2021 | |
| 222. | Saint Helena | 654 | 2021 | |
| 221. | Wallis and Futuna | 1,015 | 2021 | |
| 220. | Anguilla | 1,349 | 2021 | |
| 219. | Palau | 1,510 | 2021 | |
| 218. | Monaco | 1,764 | 2021 | |
| 217. | Gibraltar | 1,878 | 2021 | |
| 216. | Saint Martin | 2,071 | 2021 | |
| 215. | San Marino | 2,492 | 2021 | |
| 214. | Liechtenstein | 2,674 | 2021 | |
| 213. | Greenland | 2,726 | 2021 | |
| 212. | British Virgin Islands | 2,785 | 2021 | |
| 211. | Faroe Islands | 3,108 | 2021 | |
| 210. | Sint Maarten | 3,119 | 2021 | |
| 209. | Northern Mariana Islands | 3,165 | 2021 | |
| 208. | Marshall Islands | 3,635 | 2021 | |
| 207. | Dominica | 3,883 | 2021 | |
| 206. | Saint Kitts and Nevis | 3,934 | 2021 | |
| 205. | Bermuda | 3,959 | 2021 | |
| 204. | American Samoa | 4,006 | 2021 | |
| 203. | Cayman Islands | 4,508 | 2021 | |
| 202. | Guernsey | 4,575 | 2021 | |
| 201. | Channel Islands | 4,915 | 2021 | |
| 200. | Tonga | 5,025 | 2021 | |
| 199. | Kiribati | 5,079 | 2021 | |
| 198. | Turks and Caicos Islands | 5,279 | 2021 | |
| 197. | Federated States of Micronesia | 5,837 | 2021 | |
| 196. | Isle of Man | 6,141 | 2021 | |
| 195. | Antigua and Barbuda | 6,448 | 2021 | |
| 194. | U.S. Virgin Islands | 6,684 | 2021 | |
| 193. | Saint Vincent and the Grenadines | 6,931 | 2021 | |
| 192. | Grenada | 6,948 | 2021 | |
| 191. | Netherlands Antilles | 7,903 | 2021 | |
| 190. | Aruba | 7,916 | 2021 | |
| 189. | Seychelles | 8,138 | 2021 | |
| 188. | Andorra | 8,310 | 2021 | |
| 187. | Sao Tome and Principe | 8,785 | 2021 | |
| 186. | Samoa | 10,807 | 2021 | |
| 185. | Mayotte | 10,977 | 2021 | |
| 184. | Saint Lucia | 11,999 | 2021 | |
| 183. | Guam | 12,085 | 2021 | |
| 182. | Vanuatu | 14,925 | 2021 | |
| 181. | Belize | 16,731 | 2021 | |
| 180. | French Polynesia | 19,878 | 2021 | |
| 179. | New Caledonia | 20,573 | 2021 | |
| 178. | Barbados | 21,250 | 2021 | |
| 177. | Iceland | 21,672 | 2021 | |
| 176. | Maldives | 21,729 | 2021 | |
| 175. | The Bahamas | 24,369 | 2021 | |
| 174. | Malta | 28,129 | 2021 | |
| 173. | Cape Verde | 28,988 | 2021 | |
| 172. | Western Sahara | 29,443 | 2021 | |
| 171. | Brunei | 30,529 | 2021 | |
| 170. | Equatorial Guinea | 34,933 | 2021 | |
| 169. | Luxembourg | 36,018 | 2021 | |
| 168. | Solomon Islands | 37,185 | 2021 | |
| 167. | Suriname | 39,266 | 2021 | |
| 166. | Comoros | 42,888 | 2021 | |
| 165. | Guyana | 43,008 | 2021 | |
| 164. | Djibouti | 44,262 | 2021 | |
| 163. | Bhutan | 44,453 | 2021 | |
| 162. | Macau | 45,852 | 2021 | |
| 161. | Swaziland | 50,585 | 2021 | |
| 160. | Montenegro | 50,669 | 2021 | |
| 159. | Fiji | 53,837 | 2021 | |
| 158. | Gabon | 58,238 | 2021 | |
| 157. | East Timor | 63,039 | 2021 | |
| 156. | Lesotho | 74,191 | 2021 | |
| 155. | Trinidad and Tobago | 75,869 | 2021 | |
| 154. | Estonia | 78,742 | 2021 | |
| 153. | Guinea-Bissau | 79,811 | 2021 | |
| 152. | Gaza Strip | 80,191 | 2021 | |
| 151. | Cyprus | 89,905 | 2021 | |
| 150. | Botswana | 91,772 | 2021 | |
| 149. | Namibia | 91,855 | 2021 | |
| 148. | Mauritius | 91,937 | 2021 | |
| 147. | The Gambia | 93,364 | 2021 | |
| 146. | Kosovo | 111,530 | 2021 | |
| 145. | Bahrain | 121,496 | 2021 | |
| 144. | Jamaica | 142,871 | 2021 | |
| 143. | Slovenia | 147,068 | 2021 | |
| 142. | Latvia | 147,819 | 2021 | |
| 141. | Macedonia | 151,498 | 2021 | |
| 140. | West Bank | 161,280 | 2021 | |
| 139. | Mauritania | 168,604 | 2021 | |
| 138. | Albania | 168,651 | 2021 | |
| 137. | Liberia | 179,567 | 2021 | |
| 136. | Oman | 180,216 | 2021 | |
| 135. | Republic of Congo | 183,462 | 2021 | |
| 134. | Kuwait | 188,373 | 2021 | |
| 133. | Armenia | 197,696 | 2021 | |
| 132. | Qatar | 203,234 | 2021 | |
| 131. | Uruguay | 215,643 | 2021 | |
| 130. | Moldova | 225,128 | 2021 | |
| 129. | Central African Republic | 226,991 | 2021 |
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