The World: Population - Age 0-4 (2019) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Belgium | 520,414 | 2019 | |
| 102. | Nicaragua | 520,039 | 2019 | |
| 103. | United Arab Emirates | 495,995 | 2019 | |
| 104. | Portugal | 495,040 | 2019 | |
| 105. | Sweden | 490,339 | 2019 | |
| 106. | Turkmenistan | 489,823 | 2019 | |
| 107. | El Salvador | 485,626 | 2019 | |
| 108. | Greece | 455,510 | 2019 | |
| 109. | Hungary | 446,547 | 2019 | |
| 110. | Belarus | 429,256 | 2019 | |
| 111. | Czech Republic | 414,055 | 2019 | |
| 112. | Oman | 403,773 | 2019 | |
| 113. | Costa Rica | 379,644 | 2019 | |
| 114. | Switzerland | 366,388 | 2019 | |
| 115. | Austria | 365,108 | 2019 | |
| 116. | Ireland | 357,063 | 2019 | |
| 117. | Panama | 330,851 | 2019 | |
| 118. | West Bank | 318,566 | 2019 | |
| 119. | Serbia | 318,345 | 2019 | |
| 120. | Mongolia | 310,680 | 2019 | |
| 121. | New Zealand | 296,441 | 2019 | |
| 122. | Denmark | 294,677 | 2019 | |
| 123. | Lebanon | 290,664 | 2019 | |
| 124. | Gabon | 283,715 | 2019 | |
| 125. | Bulgaria | 281,408 | 2019 | |
| 126. | Gaza Strip | 280,947 | 2019 | |
| 127. | Hong Kong | 280,286 | 2019 | |
| 128. | Finland | 271,821 | 2019 | |
| 129. | The Gambia | 271,564 | 2019 | |
| 130. | Kuwait | 268,466 | 2019 | |
| 131. | Slovakia | 266,771 | 2019 | |
| 132. | Singapore | 263,736 | 2019 | |
| 133. | Norway | 263,697 | 2019 | |
| 134. | Jamaica | 261,368 | 2019 | |
| 135. | Guinea-Bissau | 260,139 | 2019 | |
| 136. | Botswana | 233,705 | 2019 | |
| 137. | Georgia | 227,710 | 2019 | |
| 138. | Uruguay | 216,346 | 2019 | |
| 139. | Lesotho | 215,630 | 2019 | |
| 140. | Puerto Rico | 213,931 | 2019 | |
| 141. | Croatia | 208,298 | 2019 | |
| 142. | Namibia | 204,730 | 2019 | |
| 143. | Moldova | 198,567 | 2019 | |
| 144. | Bosnia and Herzegovina | 198,279 | 2019 | |
| 145. | Albania | 195,000 | 2019 | |
| 146. | Armenia | 177,563 | 2019 | |
| 147. | Swaziland | 166,998 | 2019 | |
| 148. | Lithuania | 158,703 | 2019 | |
| 149. | Kosovo | 150,643 | 2019 | |
| 150. | East Timor | 149,286 | 2019 | |
| 151. | Macedonia | 118,645 | 2019 | |
| 152. | Equatorial Guinea | 115,512 | 2019 | |
| 153. | Qatar | 112,015 | 2019 | |
| 154. | Comoros | 98,988 | 2019 | |
| 155. | Latvia | 97,629 | 2019 | |
| 156. | Djibouti | 95,686 | 2019 | |
| 157. | Bahrain | 93,694 | 2019 | |
| 158. | Mauritius | 87,371 | 2019 | |
| 159. | Western Sahara | 83,522 | 2019 | |
| 160. | Fiji | 83,470 | 2019 | |
| 161. | Slovenia | 80,826 | 2019 | |
| 162. | Solomon Islands | 77,422 | 2019 | |
| 163. | Trinidad and Tobago | 75,116 | 2019 | |
| 164. | Cyprus | 68,616 | 2019 | |
| 165. | Bhutan | 63,110 | 2019 | |
| 166. | Estonia | 60,855 | 2019 | |
| 167. | Guyana | 55,672 | 2019 | |
| 168. | Cape Verde | 53,953 | 2019 | |
| 169. | Suriname | 45,697 | 2019 | |
| 170. | Belize | 42,181 | 2019 | |
| 171. | Brunei | 36,797 | 2019 | |
| 172. | Luxembourg | 32,559 | 2019 | |
| 173. | Montenegro | 32,016 | 2019 | |
| 174. | Maldives | 30,561 | 2019 | |
| 175. | Sao Tome and Principe | 29,359 | 2019 | |
| 176. | Macau | 26,534 | 2019 | |
| 177. | Mayotte | 25,344 | 2019 | |
| 178. | The Bahamas | 24,836 | 2019 | |
| 179. | Vanuatu | 22,128 | 2019 | |
| 180. | French Polynesia | 21,085 | 2019 | |
| 181. | Malta | 20,899 | 2019 | |
| 182. | Iceland | 20,788 | 2019 | |
| 183. | New Caledonia | 20,771 | 2019 | |
| 184. | Samoa | 19,666 | 2019 | |
| 185. | Barbados | 16,861 | 2019 | |
| 186. | Guam | 16,220 | 2019 | |
| 187. | Tonga | 11,239 | 2019 | |
| 188. | Kiribati | 10,786 | 2019 | |
| 189. | Saint Lucia | 10,605 | 2019 | |
| 190. | Netherlands Antilles | 10,044 | 2019 | |
| 191. | Federated States of Micronesia | 9,772 | 2019 | |
| 192. | Marshall Islands | 8,671 | 2019 | |
| 193. | Grenada | 8,590 | 2019 | |
| 194. | American Samoa | 7,630 | 2019 | |
| 195. | Antigua and Barbuda | 7,433 | 2019 | |
| 196. | Aruba | 7,080 | 2019 | |
| 197. | Saint Vincent and the Grenadines | 6,568 | 2019 | |
| 198. | Seychelles | 6,182 | 2019 | |
| 199. | Channel Islands | 6,036 | 2019 | |
| 200. | U.S. Virgin Islands | 5,926 | 2019 |
