The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 228. | Saint Pierre and Miquelon | 201 | 2020 | |
| 227. | Montserrat | 290 | 2020 | |
| 226. | Saint Barthélemy | 338 | 2020 | |
| 225. | Saint Helena | 367 | 2020 | |
| 224. | Cook Islands | 556 | 2020 | |
| 223. | Monaco | 887 | 2020 | |
| 222. | Wallis and Futuna | 1,043 | 2020 | |
| 221. | Nauru | 1,049 | 2020 | |
| 220. | Palau | 1,190 | 2020 | |
| 219. | Tuvalu | 1,242 | 2020 | |
| 218. | Anguilla | 1,310 | 2020 | |
| 217. | San Marino | 1,545 | 2020 | |
| 216. | Liechtenstein | 2,006 | 2020 | |
| 215. | Gibraltar | 2,033 | 2020 | |
| 214. | British Virgin Islands | 2,131 | 2020 | |
| 213. | Saint Martin | 2,638 | 2020 | |
| 212. | Sint Maarten | 2,750 | 2020 | |
| 211. | Andorra | 3,181 | 2020 | |
| 210. | Guernsey | 3,212 | 2020 | |
| 209. | Saint Kitts and Nevis | 3,480 | 2020 | |
| 208. | Faroe Islands | 3,638 | 2020 | |
| 207. | Northern Mariana Islands | 3,687 | 2020 | |
| 206. | Cayman Islands | 3,787 | 2020 | |
| 205. | Bermuda | 4,008 | 2020 | |
| 204. | Turks and Caicos Islands | 4,012 | 2020 | |
| 203. | Greenland | 4,041 | 2020 | |
| 202. | Isle of Man | 4,880 | 2020 | |
| 201. | Dominica | 5,417 | 2020 | |
| 200. | U.S. Virgin Islands | 5,874 | 2020 | |
| 199. | Seychelles | 6,103 | 2020 | |
| 198. | Channel Islands | 6,167 | 2020 | |
| 197. | Saint Vincent and the Grenadines | 6,464 | 2020 | |
| 196. | Aruba | 7,121 | 2020 | |
| 195. | Antigua and Barbuda | 7,485 | 2020 | |
| 194. | American Samoa | 7,679 | 2020 | |
| 193. | Grenada | 8,474 | 2020 | |
| 192. | Marshall Islands | 8,600 | 2020 | |
| 191. | Federated States of Micronesia | 9,568 | 2020 | |
| 190. | Netherlands Antilles | 10,047 | 2020 | |
| 189. | Saint Lucia | 10,455 | 2020 | |
| 188. | Kiribati | 10,814 | 2020 | |
| 187. | Tonga | 11,012 | 2020 | |
| 186. | Guam | 16,235 | 2020 | |
| 185. | Barbados | 16,755 | 2020 | |
| 184. | Samoa | 19,550 | 2020 | |
| 183. | Malta | 20,761 | 2020 | |
| 182. | Iceland | 20,794 | 2020 | |
| 181. | New Caledonia | 20,805 | 2020 | |
| 180. | French Polynesia | 20,921 | 2020 | |
| 179. | Vanuatu | 22,091 | 2020 | |
| 178. | Mayotte | 24,578 | 2020 | |
| 177. | The Bahamas | 24,815 | 2020 | |
| 176. | Macau | 26,182 | 2020 | |
| 175. | Sao Tome and Principe | 29,074 | 2020 | |
| 174. | Maldives | 30,703 | 2020 | |
| 173. | Montenegro | 31,469 | 2020 | |
| 172. | Luxembourg | 33,009 | 2020 | |
| 171. | Brunei | 37,039 | 2020 | |
| 170. | Belize | 42,285 | 2020 | |
| 169. | Suriname | 45,374 | 2020 | |
| 168. | Cape Verde | 54,054 | 2020 | |
| 167. | Guyana | 55,794 | 2020 | |
| 166. | Estonia | 59,244 | 2020 | |
| 165. | Bhutan | 62,844 | 2020 | |
| 164. | Cyprus | 68,963 | 2020 | |
| 163. | Trinidad and Tobago | 72,653 | 2020 | |
| 162. | Solomon Islands | 77,570 | 2020 | |
| 161. | Slovenia | 79,254 | 2020 | |
| 160. | Fiji | 82,131 | 2020 | |
| 159. | Western Sahara | 84,590 | 2020 | |
| 158. | Mauritius | 86,961 | 2020 | |
| 157. | Bahrain | 94,382 | 2020 | |
| 156. | Latvia | 94,487 | 2020 | |
| 155. | Djibouti | 97,103 | 2020 | |
| 154. | Comoros | 97,490 | 2020 | |
| 153. | Qatar | 113,194 | 2020 | |
| 152. | Equatorial Guinea | 116,711 | 2020 | |
| 151. | Macedonia | 117,781 | 2020 | |
| 150. | Kosovo | 148,796 | 2020 | |
| 149. | East Timor | 149,228 | 2020 | |
| 148. | Lithuania | 156,527 | 2020 | |
| 147. | Swaziland | 166,492 | 2020 | |
| 146. | Armenia | 174,278 | 2020 | |
| 145. | Moldova | 192,206 | 2020 | |
| 144. | Albania | 196,416 | 2020 | |
| 143. | Bosnia and Herzegovina | 196,643 | 2020 | |
| 142. | Namibia | 202,804 | 2020 | |
| 141. | Croatia | 207,029 | 2020 | |
| 140. | Puerto Rico | 212,276 | 2020 | |
| 139. | Lesotho | 212,838 | 2020 | |
| 138. | Uruguay | 216,310 | 2020 | |
| 137. | Georgia | 223,811 | 2020 | |
| 136. | Botswana | 233,219 | 2020 | |
| 135. | Jamaica | 260,616 | 2020 | |
| 134. | Guinea-Bissau | 261,883 | 2020 | |
| 133. | Slovakia | 262,326 | 2020 | |
| 132. | Norway | 266,033 | 2020 | |
| 131. | Kuwait | 267,005 | 2020 | |
| 130. | The Gambia | 270,620 | 2020 | |
| 129. | Finland | 271,293 | 2020 |
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