The World: Population - Age 0-4 (2015) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 101. | Portugal | 524,714 | 2015 | |
| 102. | Belgium | 522,486 | 2015 | |
| 103. | Mauritania | 514,652 | 2015 | |
| 104. | El Salvador | 508,307 | 2015 | |
| 105. | Greece | 483,012 | 2015 | |
| 106. | Turkmenistan | 474,984 | 2015 | |
| 107. | Sweden | 470,536 | 2015 | |
| 108. | Hungary | 469,546 | 2015 | |
| 109. | United Arab Emirates | 461,085 | 2015 | |
| 110. | Belarus | 456,805 | 2015 | |
| 111. | Czech Republic | 435,423 | 2015 | |
| 112. | Costa Rica | 377,716 | 2015 | |
| 113. | Oman | 375,224 | 2015 | |
| 114. | Ireland | 371,671 | 2015 | |
| 115. | Switzerland | 365,022 | 2015 | |
| 116. | Austria | 360,292 | 2015 | |
| 117. | Panama | 331,626 | 2015 | |
| 118. | Serbia | 330,086 | 2015 | |
| 119. | Mongolia | 314,399 | 2015 | |
| 120. | West Bank | 312,781 | 2015 | |
| 121. | Bulgaria | 310,296 | 2015 | |
| 122. | Lebanon | 295,749 | 2015 | |
| 123. | New Zealand | 293,657 | 2015 | |
| 124. | Denmark | 287,877 | 2015 | |
| 125. | Gaza Strip | 287,420 | 2015 | |
| 126. | Slovakia | 281,304 | 2015 | |
| 127. | Hong Kong | 274,933 | 2015 | |
| 128. | The Gambia | 272,497 | 2015 | |
| 129. | Finland | 272,491 | 2015 | |
| 130. | Kuwait | 270,533 | 2015 | |
| 131. | Gabon | 266,297 | 2015 | |
| 132. | Jamaica | 265,919 | 2015 | |
| 133. | Norway | 256,889 | 2015 | |
| 134. | Guinea-Bissau | 251,695 | 2015 | |
| 135. | Georgia | 238,799 | 2015 | |
| 136. | Botswana | 234,870 | 2015 | |
| 137. | Singapore | 228,785 | 2015 | |
| 138. | Lesotho | 224,209 | 2015 | |
| 139. | Moldova | 220,395 | 2015 | |
| 140. | Puerto Rico | 218,890 | 2015 | |
| 141. | Uruguay | 218,880 | 2015 | |
| 142. | Namibia | 213,847 | 2015 | |
| 143. | Croatia | 212,870 | 2015 | |
| 144. | Bosnia and Herzegovina | 202,708 | 2015 | |
| 145. | Armenia | 185,652 | 2015 | |
| 146. | Albania | 183,480 | 2015 | |
| 147. | Swaziland | 169,149 | 2015 | |
| 148. | Lithuania | 162,753 | 2015 | |
| 149. | Kosovo | 156,921 | 2015 | |
| 150. | East Timor | 146,780 | 2015 | |
| 151. | Macedonia | 121,271 | 2015 | |
| 152. | Equatorial Guinea | 110,111 | 2015 | |
| 153. | Latvia | 106,765 | 2015 | |
| 154. | Comoros | 105,932 | 2015 | |
| 155. | Qatar | 104,057 | 2015 | |
| 156. | Djibouti | 91,264 | 2015 | |
| 157. | Bahrain | 90,660 | 2015 | |
| 158. | Mauritius | 89,260 | 2015 | |
| 159. | Fiji | 88,293 | 2015 | |
| 160. | Slovenia | 86,416 | 2015 | |
| 161. | Trinidad and Tobago | 82,375 | 2015 | |
| 162. | Western Sahara | 78,728 | 2015 | |
| 163. | Solomon Islands | 76,971 | 2015 | |
| 164. | Cyprus | 65,676 | 2015 | |
| 165. | Estonia | 65,550 | 2015 | |
| 166. | Bhutan | 64,042 | 2015 | |
| 167. | Guyana | 58,601 | 2015 | |
| 168. | Cape Verde | 53,445 | 2015 | |
| 169. | Suriname | 47,101 | 2015 | |
| 170. | Belize | 41,646 | 2015 | |
| 171. | Brunei | 35,617 | 2015 | |
| 172. | Montenegro | 34,213 | 2015 | |
| 173. | Luxembourg | 30,862 | 2015 | |
| 174. | Sao Tome and Principe | 30,200 | 2015 | |
| 175. | Mayotte | 29,891 | 2015 | |
| 176. | Maldives | 29,137 | 2015 | |
| 177. | Macau | 26,784 | 2015 | |
| 178. | The Bahamas | 24,850 | 2015 | |
| 179. | Vanuatu | 22,170 | 2015 | |
| 180. | French Polynesia | 21,543 | 2015 | |
| 181. | Malta | 21,092 | 2015 | |
| 182. | New Caledonia | 20,705 | 2015 | |
| 183. | Iceland | 20,696 | 2015 | |
| 184. | Samoa | 20,366 | 2015 | |
| 185. | Barbados | 17,261 | 2015 | |
| 186. | Guam | 16,195 | 2015 | |
| 187. | Tonga | 12,242 | 2015 | |
| 188. | Saint Lucia | 11,148 | 2015 | |
| 189. | Kiribati | 10,738 | 2015 | |
| 190. | Federated States of Micronesia | 10,658 | 2015 | |
| 191. | Netherlands Antilles | 9,914 | 2015 | |
| 192. | Marshall Islands | 9,062 | 2015 | |
| 193. | Grenada | 8,967 | 2015 | |
| 194. | American Samoa | 7,393 | 2015 | |
| 195. | Antigua and Barbuda | 7,237 | 2015 | |
| 196. | Saint Vincent and the Grenadines | 7,074 | 2015 | |
| 197. | Aruba | 6,848 | 2015 | |
| 198. | Seychelles | 6,461 | 2015 | |
| 199. | U.S. Virgin Islands | 6,111 | 2015 | |
| 200. | Dominica | 5,566 | 2015 |
