| # | Flag | Country | Population ages 0-14, femalePopulation ages 0-14, female | Year |
|---|---|---|---|---|
| 1 | India | 175,333,225 | 2018 | |
| 2 | China | 113,625,771 | 2018 | |
| 3 | Nigeria | 41,952,536 | 2018 | |
| 4 | Pakistan | 35,412,390 | 2018 | |
| 5 | Indonesia | 35,355,098 | 2018 | |
| 6 | United States | 30,121,840 | 2018 | |
| 7 | Bangladesh | 21,974,993 | 2018 | |
| 8 | Brazil | 21,893,163 | 2018 | |
| 9 | Ethiopia | 21,571,111 | 2018 | |
| 10 | Democratic Republic Of Congo | 19,238,139 | 2018 | |
| 11 | Philippines | 16,346,703 | 2018 | |
| 12 | Mexico | 16,196,158 | 2018 | |
| 13 | Egypt | 15,908,052 | 2018 | |
| 14 | Russia | 12,545,449 | 2018 | |
| 15 | Tanzania | 12,490,772 | 2018 | |
| 16 | Vietnam | 10,487,870 | 2018 | |
| 17 | Kenya | 10,201,841 | 2018 | |
| 18 | Uganda | 10,046,429 | 2018 | |
| 19 | Turkey | 9,887,369 | 2018 | |
| 20 | Iran | 9,499,520 | 2018 | |
| 21 | Sudan | 8,322,269 | 2018 | |
| 22 | South Africa | 8,240,451 | 2018 | |
| 23 | Japan | 7,906,251 | 2018 | |
| 24 | Afghanistan | 7,720,761 | 2018 | |
| 25 | Iraq | 7,514,655 | 2018 | |
| 26 | Angola | 7,203,135 | 2018 | |
| 27 | Myanmar | 7,011,894 | 2018 | |
| 28 | Mozambique | 6,533,086 | 2018 | |
| 29 | Algeria | 6,099,609 | 2018 | |
| 30 | France | 5,877,957 | 2018 | |
| 31 | United Kingdom | 5,787,193 | 2018 | |
| 32 | Thailand | 5,734,367 | 2018 | |
| 33 | Colombia | 5,606,131 | 2018 | |
| 34 | Ghana | 5,583,047 | 2018 | |
| 35 | Yemen | 5,519,085 | 2018 | |
| 36 | Niger | 5,509,240 | 2018 | |
| 37 | Argentina | 5,397,460 | 2018 | |
| 38 | Cameroon | 5,312,014 | 2018 | |
| 39 | Madagascar | 5,291,371 | 2018 | |
| 40 | Germany | 5,281,187 | 2018 | |
| 41 | Ivory Coast | 5,279,824 | 2018 | |
| 42 | Morocco | 4,767,936 | 2018 | |
| 43 | Uzbekistan | 4,476,266 | 2018 | |
| 44 | Mali | 4,457,386 | 2018 | |
| 45 | Burkina Faso | 4,359,857 | 2018 | |
| 46 | Peru | 4,245,258 | 2018 | |
| 47 | Nepal | 4,124,398 | 2018 | |
| 48 | Saudi Arabia | 4,119,588 | 2018 | |
| 49 | Italy | 3,941,218 | 2018 | |
| 50 | Malawi | 3,933,736 | 2018 | |
| 51 | Venezuela | 3,855,507 | 2018 | |
| 52 | Zambia | 3,828,151 | 2018 | |
| 53 | Malaysia | 3,678,681 | 2018 | |
| 54 | Chad | 3,597,341 | 2018 | |
| 55 | Somalia | 3,454,441 | 2018 | |
| 56 | Ukraine | 3,417,994 | 2018 | |
| 57 | Senegal | 3,343,389 | 2018 | |
| 58 | South Korea | 3,327,844 | 2018 | |
| 59 | Spain | 3,310,315 | 2018 | |
| 60 | Zimbabwe | 2,947,935 | 2018 | |
| 61 | Syria | 2,946,119 | 2018 | |
| 62 | Canada | 2,909,276 | 2018 | |
| 63 | Guatemala | 2,905,198 | 2018 | |
| 64 | Poland | 2,748,536 | 2018 | |
| 65 | Guinea | 2,591,084 | 2018 | |
| 66 | Sri Lanka | 2,545,973 | 2018 | |
| 67 | North Korea | 2,543,675 | 2018 | |
| 68 | Kazakhstan | 2,517,665 | 2018 | |
| 69 | Burundi | 2,514,438 | 2018 | |
| 70 | Cambodia | 2,485,645 | 2018 | |
| 71 | Rwanda | 2,446,491 | 2018 | |
| 72 | Benin | 2,402,128 | 2018 | |
| 73 | Ecuador | 2,353,240 | 2018 | |
| 74 | Australia | 2,329,545 | 2018 | |
| 75 | South Sudan | 2,245,097 | 2018 | |
| 76 | Chile | 1,846,531 | 2018 | |
| 77 | Haiti | 1,783,875 | 2018 | |
| 78 | Bolivia | 1,740,920 | 2018 | |
| 79 | Jordan | 1,722,145 | 2018 | |
| 80 | Togo | 1,624,099 | 2018 | |
| 81 | Sierra Leone | 1,596,590 | 2018 | |
| 82 | Tajikistan | 1,565,548 | 2018 | |
| 83 | Dominican Republic | 1,509,683 | 2018 | |
| 84 | Papua New Guinea | 1,481,518 | 2018 | |
| 85 | Honduras | 1,459,001 | 2018 | |
| 86 | Romania | 1,444,169 | 2018 | |
| 87 | Netherlands | 1,360,913 | 2018 | |
| 88 | Tunisia | 1,358,841 | 2018 | |
| 89 | Israel | 1,200,105 | 2018 | |
| 90 | Laos | 1,125,167 | 2018 | |
| 91 | Republic of the Congo | 1,096,379 | 2018 | |
| 92 | Azerbaijan | 1,078,658 | 2018 | |
| 93 | Central African Republic | 1,002,789 | 2018 | |
| 94 | Paraguay | 993,990 | 2018 | |
| 95 | Kyrgyzstan | 989,498 | 2018 | |
| 96 | Liberia | 977,995 | 2018 | |
| 97 | Belgium | 953,958 | 2018 | |
| 98 | Libya | 907,472 | 2018 | |
| 99 | Nicaragua | 899,081 | 2018 | |
| 100 | Turkmenistan | 889,419 | 2018 | |
| 101 | Sweden | 874,990 | 2018 | |
| 102 | Cuba | 874,877 | 2018 | |
| 103 | Mauritania | 860,088 | 2018 | |
| 104 | El Salvador | 850,019 | 2018 | |
| 105 | Czech Republic | 803,058 | 2018 | |
| 106 | Belarus | 782,743 | 2018 | |
| 107 | Lebanon | 768,100 | 2018 | |
| 108 | Greece | 734,044 | 2018 | |
| 109 | Hungary | 679,461 | 2018 | |
| 110 | Portugal | 671,407 | 2018 | |
| 111 | Eritrea | 659,049 | 2011 | |
| 112 | United Arab Emirates | 658,006 | 2018 | |
| 113 | Switzerland | 619,187 | 2018 | |
| 114 | Austria | 606,799 | 2018 | |
| 115 | Serbia | 556,005 | 2018 | |
| 116 | Panama | 554,729 | 2018 | |
| 117 | Costa Rica | 522,528 | 2018 | |
| 118 | Oman | 511,631 | 2018 | |
| 119 | Gambia | 509,174 | 2018 | |
| 120 | Republic of Ireland | 508,784 | 2018 | |
| 121 | Bulgaria | 491,297 | 2018 | |
| 122 | New Zealand | 469,745 | 2018 | |
| 123 | Mongolia | 468,495 | 2018 | |
| 124 | Denmark | 464,247 | 2018 | |
| 125 | Norway | 459,698 | 2018 | |
| 126 | Namibia | 444,537 | 2018 | |
| 127 | Finland | 443,923 | 2018 | |
| 128 | Hong Kong | 429,500 | 2018 | |
| 129 | Kuwait | 426,039 | 2018 | |
| 130 | Slovakia | 411,088 | 2018 | |
| 131 | Singapore | 405,391 | 2018 | |
| 132 | Guinea-Bissau | 386,722 | 2018 | |
| 133 | Gabon | 376,695 | 2018 | |
| 134 | Lesotho | 369,503 | 2018 | |
| 135 | Uruguay | 352,577 | 2018 | |
| 136 | Botswana | 348,033 | 2018 | |
| 137 | Georgia | 345,677 | 2018 | |
| 138 | Jamaica | 324,728 | 2018 | |
| 139 | Croatia | 292,895 | 2018 | |
| 140 | Armenia | 276,977 | 2018 | |
| 141 | Puerto Rico | 271,525 | 2018 | |
| 142 | Moldova | 271,269 | 2018 | |
| 143 | East Timor | 270,380 | 2018 | |
| 144 | Equatorial Guinea | 239,402 | 2018 | |
| 145 | Albania | 235,593 | 2018 | |
| 146 | Bosnia and Herzegovina | 228,136 | 2018 | |
| 147 | Swaziland | 209,187 | 2018 | |
| 148 | Lithuania | 204,117 | 2018 | |
| 149 | Qatar | 189,344 | 2018 | |
| 150 | Republic of Macedonia | 168,176 | 2018 | |
| 151 | Comoros | 161,587 | 2018 | |
| 152 | Slovenia | 151,918 | 2018 | |
| 153 | Bahrain | 147,519 | 2018 | |
| 154 | Latvia | 146,245 | 2018 | |
| 155 | Djibouti | 144,821 | 2018 | |
| 156 | Trinidad and Tobago | 140,695 | 2018 | |
| 157 | Solomon Islands | 121,639 | 2018 | |
| 158 | Fiji | 121,441 | 2018 | |
| 159 | Mauritius | 110,767 | 2018 | |
| 160 | Guyana | 108,557 | 2018 | |
| 161 | Estonia | 106,370 | 2018 | |
| 162 | Bhutan | 97,293 | 2018 | |
| 163 | Cyprus | 96,655 | 2018 | |
| 164 | Cape Verde | 80,201 | 2018 | |
| 165 | Suriname | 72,787 | 2018 | |
| 166 | Maldives | 58,414 | 2018 | |
| 167 | Belize | 58,356 | 2018 | |
| 168 | Montenegro | 53,967 | 2018 | |
| 169 | Vanuatu | 50,238 | 2018 | |
| 170 | Luxembourg | 48,769 | 2018 | |
| 171 | Brunei | 47,287 | 2018 | |
| 172 | São Tomé and Príncipe | 44,449 | 2018 | |
| 173 | Macao | 42,225 | 2018 | |
| 174 | The Bahamas | 38,522 | 2018 | |
| 175 | Iceland | 34,632 | 2018 | |
| 176 | Samoa | 34,325 | 2018 | |
| 177 | Malta | 33,722 | 2018 | |
| 178 | French Polynesia | 31,079 | 2018 | |
| 179 | New Caledonia | 30,907 | 2018 | |
| 180 | Barbados | 26,560 | 2018 | |
| 181 | Kiribati | 20,066 | 2018 | |
| 182 | Guam | 19,654 | 2018 | |
| 183 | Federated States of Micronesia | 17,805 | 2018 | |
| 184 | Tonga | 17,690 | 2018 | |
| 185 | Saint Lucia | 16,596 | 2018 | |
| 186 | Curacao | 14,502 | 2018 | |
| 187 | Grenada | 14,310 | 2018 | |
| 188 | Saint Vincent and the Grenadines | 12,819 | 2018 | |
| 189 | Antigua and Barbuda | 11,315 | 2018 | |
| 190 | Seychelles | 10,682 | 2018 | |
| 191 | Virgin Islands (US) | 10,534 | 2018 | |
| 192 | Aruba | 9,180 | 2018 |