The World: Population - Age 45-49 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 228. | Montserrat | 406 | 2018 | |
| 227. | Tuvalu | 409 | 2018 | |
| 226. | Nauru | 503 | 2018 | |
| 225. | Saint Pierre and Miquelon | 546 | 2018 | |
| 224. | Saint Barthélemy | 547 | 2018 | |
| 223. | Cook Islands | 698 | 2018 | |
| 222. | Saint Helena | 760 | 2018 | |
| 221. | Wallis and Futuna | 1,040 | 2018 | |
| 220. | Anguilla | 1,383 | 2018 | |
| 219. | Gibraltar | 1,699 | 2018 | |
| 218. | Palau | 1,731 | 2018 | |
| 217. | Saint Martin | 1,909 | 2018 | |
| 216. | Monaco | 2,040 | 2018 | |
| 215. | San Marino | 2,662 | 2018 | |
| 214. | British Virgin Islands | 2,721 | 2018 | |
| 213. | Liechtenstein | 2,978 | 2018 | |
| 212. | Faroe Islands | 3,013 | 2018 | |
| 211. | Greenland | 3,403 | 2018 | |
| 210. | Marshall Islands | 3,438 | 2018 | |
| 209. | Northern Mariana Islands | 3,476 | 2018 | |
| 208. | Sint Maarten | 3,553 | 2018 | |
| 207. | Saint Kitts and Nevis | 3,760 | 2018 | |
| 206. | American Samoa | 4,092 | 2018 | |
| 205. | Bermuda | 4,271 | 2018 | |
| 204. | Turks and Caicos Islands | 4,480 | 2018 | |
| 203. | Cayman Islands | 4,519 | 2018 | |
| 202. | Guernsey | 4,991 | 2018 | |
| 201. | Dominica | 5,307 | 2018 | |
| 200. | Kiribati | 5,340 | 2018 | |
| 199. | Federated States of Micronesia | 5,465 | 2018 | |
| 198. | Tonga | 5,791 | 2018 | |
| 197. | Grenada | 6,156 | 2018 | |
| 196. | Channel Islands | 6,445 | 2018 | |
| 195. | Antigua and Barbuda | 6,708 | 2018 | |
| 194. | Isle of Man | 6,754 | 2018 | |
| 193. | Saint Vincent and the Grenadines | 6,945 | 2018 | |
| 192. | Sao Tome and Principe | 7,144 | 2018 | |
| 191. | U.S. Virgin Islands | 7,534 | 2018 | |
| 190. | Seychelles | 7,563 | 2018 | |
| 189. | Aruba | 7,699 | 2018 | |
| 188. | Netherlands Antilles | 8,193 | 2018 | |
| 187. | Andorra | 8,281 | 2018 | |
| 186. | Mayotte | 10,162 | 2018 | |
| 185. | Samoa | 10,273 | 2018 | |
| 184. | Saint Lucia | 11,994 | 2018 | |
| 183. | Guam | 12,844 | 2018 | |
| 182. | Vanuatu | 13,659 | 2018 | |
| 181. | Belize | 16,244 | 2018 | |
| 180. | New Caledonia | 19,988 | 2018 | |
| 179. | French Polynesia | 20,350 | 2018 | |
| 178. | Iceland | 20,697 | 2018 | |
| 177. | Maldives | 21,159 | 2018 | |
| 176. | Barbados | 22,555 | 2018 | |
| 175. | The Bahamas | 24,092 | 2018 | |
| 174. | Malta | 25,440 | 2018 | |
| 173. | Western Sahara | 26,807 | 2018 | |
| 172. | Cape Verde | 27,397 | 2018 | |
| 171. | Brunei | 28,043 | 2018 | |
| 170. | Solomon Islands | 32,222 | 2018 | |
| 169. | Equatorial Guinea | 32,648 | 2018 | |
| 168. | Comoros | 36,429 | 2018 | |
| 167. | Luxembourg | 37,916 | 2018 | |
| 166. | Djibouti | 38,769 | 2018 | |
| 165. | Bhutan | 39,302 | 2018 | |
| 164. | Suriname | 40,051 | 2018 | |
| 163. | Guyana | 42,844 | 2018 | |
| 162. | Montenegro | 47,175 | 2018 | |
| 161. | Swaziland | 47,984 | 2018 | |
| 160. | Macau | 51,064 | 2018 | |
| 159. | Fiji | 51,198 | 2018 | |
| 158. | Gabon | 60,141 | 2018 | |
| 157. | East Timor | 65,471 | 2018 | |
| 156. | Lesotho | 65,844 | 2018 | |
| 155. | Gaza Strip | 71,674 | 2018 | |
| 154. | Guinea-Bissau | 73,456 | 2018 | |
| 153. | Trinidad and Tobago | 75,127 | 2018 | |
| 152. | The Gambia | 79,312 | 2018 | |
| 151. | Botswana | 83,159 | 2018 | |
| 150. | Estonia | 83,326 | 2018 | |
| 149. | Namibia | 83,741 | 2018 | |
| 148. | Mauritius | 84,643 | 2018 | |
| 147. | Cyprus | 88,262 | 2018 | |
| 146. | Kosovo | 109,737 | 2018 | |
| 145. | Bahrain | 109,963 | 2018 | |
| 144. | Jamaica | 135,007 | 2018 | |
| 143. | Slovenia | 142,020 | 2018 | |
| 142. | Macedonia | 145,172 | 2018 | |
| 141. | West Bank | 146,316 | 2018 | |
| 140. | Oman | 148,149 | 2018 | |
| 139. | Latvia | 154,436 | 2018 | |
| 138. | Mauritania | 154,562 | 2018 | |
| 137. | Liberia | 163,358 | 2018 | |
| 136. | Albania | 170,921 | 2018 | |
| 135. | Republic of Congo | 171,099 | 2018 | |
| 134. | Kuwait | 175,525 | 2018 | |
| 133. | Qatar | 181,671 | 2018 | |
| 132. | Armenia | 193,885 | 2018 | |
| 131. | Uruguay | 205,292 | 2018 | |
| 130. | Moldova | 207,824 | 2018 | |
| 129. | Mongolia | 217,539 | 2018 |
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