The World: Population - Age 0-4 (2018) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 228. | Saint Pierre and Miquelon | 219 | 2018 | |
| 227. | Montserrat | 285 | 2018 | |
| 226. | Saint Barthélemy | 344 | 2018 | |
| 225. | Saint Helena | 375 | 2018 | |
| 224. | Cook Islands | 604 | 2018 | |
| 223. | Monaco | 928 | 2018 | |
| 222. | Wallis and Futuna | 1,061 | 2018 | |
| 221. | Nauru | 1,091 | 2018 | |
| 220. | Palau | 1,171 | 2018 | |
| 219. | Tuvalu | 1,219 | 2018 | |
| 218. | Anguilla | 1,283 | 2018 | |
| 217. | San Marino | 1,532 | 2018 | |
| 216. | Liechtenstein | 1,986 | 2018 | |
| 215. | British Virgin Islands | 2,028 | 2018 | |
| 214. | Gibraltar | 2,042 | 2018 | |
| 213. | Sint Maarten | 2,673 | 2018 | |
| 212. | Saint Martin | 2,688 | 2018 | |
| 211. | Guernsey | 3,202 | 2018 | |
| 210. | Andorra | 3,411 | 2018 | |
| 209. | Faroe Islands | 3,483 | 2018 | |
| 208. | Saint Kitts and Nevis | 3,512 | 2018 | |
| 207. | Cayman Islands | 3,670 | 2018 | |
| 206. | Northern Mariana Islands | 3,931 | 2018 | |
| 205. | Bermuda | 3,986 | 2018 | |
| 204. | Turks and Caicos Islands | 4,047 | 2018 | |
| 203. | Greenland | 4,075 | 2018 | |
| 202. | Isle of Man | 4,869 | 2018 | |
| 201. | Dominica | 5,507 | 2018 | |
| 200. | Channel Islands | 5,888 | 2018 | |
| 199. | U.S. Virgin Islands | 5,973 | 2018 | |
| 198. | Seychelles | 6,259 | 2018 | |
| 197. | Saint Vincent and the Grenadines | 6,680 | 2018 | |
| 196. | Aruba | 7,033 | 2018 | |
| 195. | Antigua and Barbuda | 7,380 | 2018 | |
| 194. | American Samoa | 7,573 | 2018 | |
| 193. | Grenada | 8,700 | 2018 | |
| 192. | Marshall Islands | 8,747 | 2018 | |
| 191. | Federated States of Micronesia | 9,988 | 2018 | |
| 190. | Netherlands Antilles | 10,021 | 2018 | |
| 189. | Saint Lucia | 10,746 | 2018 | |
| 188. | Kiribati | 10,760 | 2018 | |
| 187. | Tonga | 11,471 | 2018 | |
| 186. | Guam | 16,205 | 2018 | |
| 185. | Barbados | 16,959 | 2018 | |
| 184. | Samoa | 19,801 | 2018 | |
| 183. | New Caledonia | 20,744 | 2018 | |
| 182. | Iceland | 20,771 | 2018 | |
| 181. | Malta | 20,991 | 2018 | |
| 180. | French Polynesia | 21,227 | 2018 | |
| 179. | Vanuatu | 22,157 | 2018 | |
| 178. | The Bahamas | 24,844 | 2018 | |
| 177. | Mayotte | 26,265 | 2018 | |
| 176. | Macau | 26,774 | 2018 | |
| 175. | Sao Tome and Principe | 29,606 | 2018 | |
| 174. | Maldives | 30,318 | 2018 | |
| 173. | Luxembourg | 32,114 | 2018 | |
| 172. | Montenegro | 32,576 | 2018 | |
| 171. | Brunei | 36,531 | 2018 | |
| 170. | Belize | 42,061 | 2018 | |
| 169. | Suriname | 46,023 | 2018 | |
| 168. | Cape Verde | 53,836 | 2018 | |
| 167. | Guyana | 55,890 | 2018 | |
| 166. | Estonia | 62,317 | 2018 | |
| 165. | Bhutan | 63,342 | 2018 | |
| 164. | Cyprus | 68,101 | 2018 | |
| 163. | Solomon Islands | 77,291 | 2018 | |
| 162. | Trinidad and Tobago | 77,398 | 2018 | |
| 161. | Slovenia | 82,362 | 2018 | |
| 160. | Western Sahara | 82,404 | 2018 | |
| 159. | Fiji | 84,753 | 2018 | |
| 158. | Mauritius | 87,812 | 2018 | |
| 157. | Bahrain | 92,975 | 2018 | |
| 156. | Djibouti | 94,376 | 2018 | |
| 155. | Latvia | 100,555 | 2018 | |
| 154. | Comoros | 100,594 | 2018 | |
| 153. | Qatar | 110,536 | 2018 | |
| 152. | Equatorial Guinea | 114,244 | 2018 | |
| 151. | Macedonia | 119,426 | 2018 | |
| 150. | East Timor | 149,087 | 2018 | |
| 149. | Kosovo | 152,432 | 2018 | |
| 148. | Lithuania | 160,429 | 2018 | |
| 147. | Swaziland | 167,515 | 2018 | |
| 146. | Armenia | 180,537 | 2018 | |
| 145. | Albania | 192,880 | 2018 | |
| 144. | Bosnia and Herzegovina | 199,675 | 2018 | |
| 143. | Moldova | 204,678 | 2018 | |
| 142. | Namibia | 206,817 | 2018 | |
| 141. | Croatia | 209,512 | 2018 | |
| 140. | Puerto Rico | 215,421 | 2018 | |
| 139. | Uruguay | 216,563 | 2018 | |
| 138. | Lesotho | 218,211 | 2018 | |
| 137. | Georgia | 231,262 | 2018 | |
| 136. | Botswana | 234,181 | 2018 | |
| 135. | Singapore | 255,127 | 2018 | |
| 134. | Guinea-Bissau | 258,238 | 2018 | |
| 133. | Norway | 261,458 | 2018 | |
| 132. | Jamaica | 262,279 | 2018 | |
| 131. | Kuwait | 269,511 | 2018 | |
| 130. | Slovakia | 270,981 | 2018 | |
| 129. | Finland | 272,182 | 2018 |
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