The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 21. | Afghanistan | 5,672,736 | 2020 | |
| 144. | Albania | 196,416 | 2020 | |
| 48. | Algeria | 2,861,001 | 2020 | |
| 194. | American Samoa | 7,679 | 2020 | |
| 211. | Andorra | 3,181 | 2020 | |
| 36. | Angola | 3,662,301 | 2020 | |
| 218. | Anguilla | 1,310 | 2020 | |
| 195. | Antigua and Barbuda | 7,485 | 2020 | |
| 37. | Argentina | 3,538,819 | 2020 | |
| 146. | Armenia | 174,278 | 2020 | |
| 196. | Aruba | 7,121 | 2020 | |
| 74. | Australia | 1,417,044 | 2020 | |
| 115. | Austria | 365,713 | 2020 | |
| 93. | Azerbaijan | 758,476 | 2020 | |
| 157. | Bahrain | 94,382 | 2020 | |
| 9. | Bangladesh | 17,117,780 | 2020 | |
| 185. | Barbados | 16,755 | 2020 | |
| 110. | Belarus | 420,100 | 2020 | |
| 101. | Belgium | 519,762 | 2020 | |
| 170. | Belize | 42,285 | 2020 | |
| 66. | Benin | 1,825,184 | 2020 | |
| 205. | Bermuda | 4,008 | 2020 | |
| 165. | Bhutan | 62,844 | 2020 | |
| 77. | Bolivia | 1,174,795 | 2020 | |
| 143. | Bosnia and Herzegovina | 196,643 | 2020 | |
| 136. | Botswana | 233,219 | 2020 | |
| 8. | Brazil | 17,131,992 | 2020 | |
| 214. | British Virgin Islands | 2,131 | 2020 | |
| 171. | Brunei | 37,039 | 2020 | |
| 127. | Bulgaria | 274,343 | 2020 | |
| 33. | Burkina Faso | 3,772,230 | 2020 | |
| 58. | Burundi | 2,226,938 | 2020 | |
| 70. | Cambodia | 1,747,729 | 2020 | |
| 45. | Cameroon | 3,089,985 | 2020 | |
| 65. | Canada | 1,850,885 | 2020 | |
| 168. | Cape Verde | 54,054 | 2020 | |
| 206. | Cayman Islands | 3,787 | 2020 | |
| 88. | Central African Republic | 875,416 | 2020 | |
| 63. | Chad | 1,912,407 | 2020 | |
| 198. | Channel Islands | 6,167 | 2020 | |
| 76. | Chile | 1,192,086 | 2020 | |
| 2. | China | 78,461,928 | 2020 | |
| 34. | Colombia | 3,758,083 | 2020 | |
| 154. | Comoros | 97,490 | 2020 | |
| 224. | Cook Islands | 556 | 2020 | |
| 113. | Costa Rica | 378,826 | 2020 | |
| 43. | Cote d'Ivoire | 3,131,082 | 2020 | |
| 141. | Croatia | 207,029 | 2020 | |
| 100. | Cuba | 537,978 | 2020 | |
| 164. | Cyprus | 68,963 | 2020 | |
| 112. | Czech Republic | 407,809 | 2020 | |
| 11. | Democratic Republic of the Congo | 12,792,347 | 2020 | |
| 121. | Denmark | 298,054 | 2020 | |
| 155. | Djibouti | 97,103 | 2020 | |
| 201. | Dominica | 5,417 | 2020 | |
| 82. | Dominican Republic | 964,291 | 2020 | |
| 149. | East Timor | 149,228 | 2020 | |
| 73. | Ecuador | 1,431,557 | 2020 | |
| 13. | Egypt | 9,853,610 | 2020 | |
| 107. | El Salvador | 482,215 | 2020 | |
| 152. | Equatorial Guinea | 116,711 | 2020 | |
| 84. | Eritrea | 939,134 | 2020 | |
| 166. | Estonia | 59,244 | 2020 | |
| 6. | Ethiopia | 20,959,344 | 2020 | |
| 208. | Faroe Islands | 3,638 | 2020 | |
| 191. | Federated States of Micronesia | 9,568 | 2020 | |
| 160. | Fiji | 82,131 | 2020 | |
| 129. | Finland | 271,293 | 2020 | |
| 32. | France | 3,867,872 | 2020 | |
| 180. | French Polynesia | 20,921 | 2020 | |
| 123. | Gabon | 288,201 | 2020 | |
| 126. | Gaza Strip | 277,252 | 2020 | |
| 137. | Georgia | 223,811 | 2020 | |
| 38. | Germany | 3,460,896 | 2020 | |
| 42. | Ghana | 3,144,317 | 2020 | |
| 215. | Gibraltar | 2,033 | 2020 | |
| 108. | Greece | 449,569 | 2020 | |
| 203. | Greenland | 4,041 | 2020 | |
| 193. | Grenada | 8,474 | 2020 | |
| 186. | Guam | 16,235 | 2020 | |
| 67. | Guatemala | 1,813,200 | 2020 | |
| 210. | Guernsey | 3,212 | 2020 | |
| 59. | Guinea | 2,072,243 | 2020 | |
| 134. | Guinea-Bissau | 261,883 | 2020 | |
| 167. | Guyana | 55,794 | 2020 | |
| 78. | Haiti | 1,062,187 | 2020 | |
| 80. | Honduras | 988,187 | 2020 | |
| 125. | Hong Kong | 280,447 | 2020 | |
| 109. | Hungary | 441,469 | 2020 | |
| 182. | Iceland | 20,794 | 2020 | |
| 1. | India | 116,320,760 | 2020 | |
| 7. | Indonesia | 20,628,248 | 2020 | |
| 17. | Iran | 6,930,125 | 2020 | |
| 29. | Iraq | 4,192,250 | 2020 | |
| 116. | Ireland | 352,050 | 2020 | |
| 202. | Isle of Man | 4,880 | 2020 | |
| 95. | Israel | 722,108 | 2020 | |
| 51. | Italy | 2,661,512 | 2020 | |
| 135. | Jamaica | 260,616 | 2020 | |
| 24. | Japan | 4,790,505 | 2020 |
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