The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Belgium | 519,762 | 2020 | |
| 102. | Nicaragua | 519,489 | 2020 | |
| 103. | United Arab Emirates | 503,263 | 2020 | |
| 104. | Sweden | 494,577 | 2020 | |
| 105. | Turkmenistan | 490,729 | 2020 | |
| 106. | Portugal | 489,390 | 2020 | |
| 107. | El Salvador | 482,215 | 2020 | |
| 108. | Greece | 449,569 | 2020 | |
| 109. | Hungary | 441,469 | 2020 | |
| 110. | Belarus | 420,100 | 2020 | |
| 111. | Oman | 407,986 | 2020 | |
| 112. | Czech Republic | 407,809 | 2020 | |
| 113. | Costa Rica | 378,826 | 2020 | |
| 114. | Switzerland | 366,622 | 2020 | |
| 115. | Austria | 365,713 | 2020 | |
| 116. | Ireland | 352,050 | 2020 | |
| 117. | Panama | 330,452 | 2020 | |
| 118. | West Bank | 319,767 | 2020 | |
| 119. | Serbia | 314,810 | 2020 | |
| 120. | Mongolia | 308,343 | 2020 | |
| 121. | Denmark | 298,054 | 2020 | |
| 122. | New Zealand | 297,035 | 2020 | |
| 123. | Gabon | 288,201 | 2020 | |
| 124. | Lebanon | 287,964 | 2020 | |
| 125. | Hong Kong | 280,447 | 2020 | |
| 126. | Gaza Strip | 277,252 | 2020 | |
| 127. | Bulgaria | 274,343 | 2020 | |
| 128. | Singapore | 272,104 | 2020 | |
| 129. | Finland | 271,293 | 2020 | |
| 130. | The Gambia | 270,620 | 2020 | |
| 131. | Kuwait | 267,005 | 2020 | |
| 132. | Norway | 266,033 | 2020 | |
| 133. | Slovakia | 262,326 | 2020 | |
| 134. | Guinea-Bissau | 261,883 | 2020 | |
| 135. | Jamaica | 260,616 | 2020 | |
| 136. | Botswana | 233,219 | 2020 | |
| 137. | Georgia | 223,811 | 2020 | |
| 138. | Uruguay | 216,310 | 2020 | |
| 139. | Lesotho | 212,838 | 2020 | |
| 140. | Puerto Rico | 212,276 | 2020 | |
| 141. | Croatia | 207,029 | 2020 | |
| 142. | Namibia | 202,804 | 2020 | |
| 143. | Bosnia and Herzegovina | 196,643 | 2020 | |
| 144. | Albania | 196,416 | 2020 | |
| 145. | Moldova | 192,206 | 2020 | |
| 146. | Armenia | 174,278 | 2020 | |
| 147. | Swaziland | 166,492 | 2020 | |
| 148. | Lithuania | 156,527 | 2020 | |
| 149. | East Timor | 149,228 | 2020 | |
| 150. | Kosovo | 148,796 | 2020 | |
| 151. | Macedonia | 117,781 | 2020 | |
| 152. | Equatorial Guinea | 116,711 | 2020 | |
| 153. | Qatar | 113,194 | 2020 | |
| 154. | Comoros | 97,490 | 2020 | |
| 155. | Djibouti | 97,103 | 2020 | |
| 156. | Latvia | 94,487 | 2020 | |
| 157. | Bahrain | 94,382 | 2020 | |
| 158. | Mauritius | 86,961 | 2020 | |
| 159. | Western Sahara | 84,590 | 2020 | |
| 160. | Fiji | 82,131 | 2020 | |
| 161. | Slovenia | 79,254 | 2020 | |
| 162. | Solomon Islands | 77,570 | 2020 | |
| 163. | Trinidad and Tobago | 72,653 | 2020 | |
| 164. | Cyprus | 68,963 | 2020 | |
| 165. | Bhutan | 62,844 | 2020 | |
| 166. | Estonia | 59,244 | 2020 | |
| 167. | Guyana | 55,794 | 2020 | |
| 168. | Cape Verde | 54,054 | 2020 | |
| 169. | Suriname | 45,374 | 2020 | |
| 170. | Belize | 42,285 | 2020 | |
| 171. | Brunei | 37,039 | 2020 | |
| 172. | Luxembourg | 33,009 | 2020 | |
| 173. | Montenegro | 31,469 | 2020 | |
| 174. | Maldives | 30,703 | 2020 | |
| 175. | Sao Tome and Principe | 29,074 | 2020 | |
| 176. | Macau | 26,182 | 2020 | |
| 177. | The Bahamas | 24,815 | 2020 | |
| 178. | Mayotte | 24,578 | 2020 | |
| 179. | Vanuatu | 22,091 | 2020 | |
| 180. | French Polynesia | 20,921 | 2020 | |
| 181. | New Caledonia | 20,805 | 2020 | |
| 182. | Iceland | 20,794 | 2020 | |
| 183. | Malta | 20,761 | 2020 | |
| 184. | Samoa | 19,550 | 2020 | |
| 185. | Barbados | 16,755 | 2020 | |
| 186. | Guam | 16,235 | 2020 | |
| 187. | Tonga | 11,012 | 2020 | |
| 188. | Kiribati | 10,814 | 2020 | |
| 189. | Saint Lucia | 10,455 | 2020 | |
| 190. | Netherlands Antilles | 10,047 | 2020 | |
| 191. | Federated States of Micronesia | 9,568 | 2020 | |
| 192. | Marshall Islands | 8,600 | 2020 | |
| 193. | Grenada | 8,474 | 2020 | |
| 194. | American Samoa | 7,679 | 2020 | |
| 195. | Antigua and Barbuda | 7,485 | 2020 | |
| 196. | Aruba | 7,121 | 2020 | |
| 197. | Saint Vincent and the Grenadines | 6,464 | 2020 | |
| 198. | Channel Islands | 6,167 | 2020 | |
| 199. | Seychelles | 6,103 | 2020 | |
| 200. | U.S. Virgin Islands | 5,874 | 2020 |
