The World: Population - Age 0-4 (2020) - Top 100+
| Rank | Country | Population | Year | |
|---|---|---|---|---|
| 128. | Singapore | 272,104 | 2020 | |
| 127. | Bulgaria | 274,343 | 2020 | |
| 126. | Gaza Strip | 277,252 | 2020 | |
| 125. | Hong Kong | 280,447 | 2020 | |
| 124. | Lebanon | 287,964 | 2020 | |
| 123. | Gabon | 288,201 | 2020 | |
| 122. | New Zealand | 297,035 | 2020 | |
| 121. | Denmark | 298,054 | 2020 | |
| 120. | Mongolia | 308,343 | 2020 | |
| 119. | Serbia | 314,810 | 2020 | |
| 118. | West Bank | 319,767 | 2020 | |
| 117. | Panama | 330,452 | 2020 | |
| 116. | Ireland | 352,050 | 2020 | |
| 115. | Austria | 365,713 | 2020 | |
| 114. | Switzerland | 366,622 | 2020 | |
| 113. | Costa Rica | 378,826 | 2020 | |
| 112. | Czech Republic | 407,809 | 2020 | |
| 111. | Oman | 407,986 | 2020 | |
| 110. | Belarus | 420,100 | 2020 | |
| 109. | Hungary | 441,469 | 2020 | |
| 108. | Greece | 449,569 | 2020 | |
| 107. | El Salvador | 482,215 | 2020 | |
| 106. | Portugal | 489,390 | 2020 | |
| 105. | Turkmenistan | 490,729 | 2020 | |
| 104. | Sweden | 494,577 | 2020 | |
| 103. | United Arab Emirates | 503,263 | 2020 | |
| 102. | Nicaragua | 519,489 | 2020 | |
| 101. | Belgium | 519,762 | 2020 | |
| 100. | Cuba | 537,978 | 2020 | |
| 99. | Mauritania | 538,645 | 2020 | |
| 98. | Paraguay | 566,849 | 2020 | |
| 97. | Kyrgyzstan | 653,228 | 2020 | |
| 96. | Liberia | 682,455 | 2020 | |
| 95. | Israel | 722,108 | 2020 | |
| 94. | Libya | 743,690 | 2020 | |
| 93. | Azerbaijan | 758,476 | 2020 | |
| 92. | Papua New Guinea | 783,951 | 2020 | |
| 91. | Laos | 790,859 | 2020 | |
| 90. | Jordan | 847,835 | 2020 | |
| 89. | Tunisia | 873,880 | 2020 | |
| 88. | Central African Republic | 875,416 | 2020 | |
| 87. | Republic of Congo | 876,975 | 2020 | |
| 86. | Netherlands | 932,505 | 2020 | |
| 85. | Romania | 936,303 | 2020 | |
| 84. | Eritrea | 939,134 | 2020 | |
| 83. | Tajikistan | 945,359 | 2020 | |
| 82. | Dominican Republic | 964,291 | 2020 | |
| 81. | Taiwan | 972,195 | 2020 | |
| 80. | Honduras | 988,187 | 2020 | |
| 79. | Sierra Leone | 1,033,694 | 2020 | |
| 78. | Haiti | 1,062,187 | 2020 | |
| 77. | Bolivia | 1,174,795 | 2020 | |
| 76. | Chile | 1,192,086 | 2020 | |
| 75. | Togo | 1,265,616 | 2020 | |
| 74. | Australia | 1,417,044 | 2020 | |
| 73. | Ecuador | 1,431,557 | 2020 | |
| 72. | Kazakhstan | 1,625,476 | 2020 | |
| 71. | Sri Lanka | 1,666,985 | 2020 | |
| 70. | Cambodia | 1,747,729 | 2020 | |
| 69. | Poland | 1,753,632 | 2020 | |
| 68. | North Korea | 1,799,113 | 2020 | |
| 67. | Guatemala | 1,813,200 | 2020 | |
| 66. | Benin | 1,825,184 | 2020 | |
| 65. | Canada | 1,850,885 | 2020 | |
| 64. | Ukraine | 1,909,435 | 2020 | |
| 63. | Chad | 1,912,407 | 2020 | |
| 62. | Somalia | 1,915,790 | 2020 | |
| 61. | South Korea | 1,999,847 | 2020 | |
| 60. | Rwanda | 2,046,759 | 2020 | |
| 59. | Guinea | 2,072,243 | 2020 | |
| 58. | Burundi | 2,226,938 | 2020 | |
| 57. | Zimbabwe | 2,266,129 | 2020 | |
| 56. | Spain | 2,282,517 | 2020 | |
| 55. | Senegal | 2,304,875 | 2020 | |
| 54. | Uzbekistan | 2,426,573 | 2020 | |
| 53. | Syria | 2,441,951 | 2020 | |
| 52. | Saudi Arabia | 2,610,407 | 2020 | |
| 51. | Italy | 2,661,512 | 2020 | |
| 50. | Peru | 2,691,803 | 2020 | |
| 49. | Venezuela | 2,769,205 | 2020 | |
| 48. | Algeria | 2,861,001 | 2020 | |
| 47. | Morocco | 2,911,773 | 2020 | |
| 46. | Malaysia | 2,938,839 | 2020 | |
| 45. | Cameroon | 3,089,985 | 2020 | |
| 44. | Mali | 3,116,270 | 2020 | |
| 43. | Cote d'Ivoire | 3,131,082 | 2020 | |
| 42. | Ghana | 3,144,317 | 2020 | |
| 41. | Zambia | 3,164,323 | 2020 | |
| 40. | Nepal | 3,198,784 | 2020 | |
| 39. | Malawi | 3,270,415 | 2020 | |
| 38. | Germany | 3,460,896 | 2020 | |
| 37. | Argentina | 3,538,819 | 2020 | |
| 36. | Angola | 3,662,301 | 2020 | |
| 35. | Yemen | 3,705,139 | 2020 | |
| 34. | Colombia | 3,758,083 | 2020 | |
| 33. | Burkina Faso | 3,772,230 | 2020 | |
| 32. | France | 3,867,872 | 2020 | |
| 31. | United Kingdom | 3,899,509 | 2020 | |
| 30. | Thailand | 4,104,737 | 2020 | |
| 29. | Iraq | 4,192,250 | 2020 |
