| # | Flag | Country | Population ages 0-14, malePopulation ages 0-14, male | Year |
|---|---|---|---|---|
| 1 | India | 195,222,442 | 2018 | |
| 2 | China | 131,764,921 | 2018 | |
| 3 | Nigeria | 43,924,218 | 2018 | |
| 4 | Pakistan | 38,155,338 | 2018 | |
| 5 | Indonesia | 36,944,902 | 2018 | |
| 6 | United States | 31,494,392 | 2018 | |
| 7 | Bangladesh | 22,952,009 | 2018 | |
| 8 | Brazil | 22,854,669 | 2018 | |
| 9 | Ethiopia | 22,116,231 | 2018 | |
| 10 | Democratic Republic Of Congo | 19,570,327 | 2018 | |
| 11 | Philippines | 17,222,291 | 2018 | |
| 12 | Mexico | 16,931,664 | 2018 | |
| 13 | Egypt | 16,892,935 | 2018 | |
| 14 | Russia | 13,197,186 | 2018 | |
| 15 | Tanzania | 12,678,599 | 2018 | |
| 16 | Vietnam | 11,518,889 | 2018 | |
| 17 | Kenya | 10,385,606 | 2018 | |
| 18 | Turkey | 10,339,637 | 2018 | |
| 19 | Uganda | 10,207,654 | 2018 | |
| 20 | Iran | 9,849,320 | 2018 | |
| 21 | Sudan | 8,594,563 | 2018 | |
| 22 | South Africa | 8,386,778 | 2018 | |
| 23 | Japan | 8,340,997 | 2018 | |
| 24 | Afghanistan | 8,130,730 | 2018 | |
| 25 | Iraq | 7,954,130 | 2018 | |
| 26 | Angola | 7,159,521 | 2018 | |
| 27 | Myanmar | 7,098,920 | 2018 | |
| 28 | Mozambique | 6,599,936 | 2018 | |
| 29 | Algeria | 6,354,636 | 2018 | |
| 30 | France | 6,172,724 | 2018 | |
| 31 | United Kingdom | 6,065,630 | 2018 | |
| 32 | Thailand | 6,064,722 | 2018 | |
| 33 | Colombia | 5,845,892 | 2018 | |
| 34 | Ghana | 5,829,233 | 2018 | |
| 35 | Yemen | 5,754,663 | 2018 | |
| 36 | Niger | 5,738,747 | 2018 | |
| 37 | Argentina | 5,587,070 | 2018 | |
| 38 | Germany | 5,564,641 | 2018 | |
| 39 | Cameroon | 5,405,543 | 2018 | |
| 40 | Madagascar | 5,387,829 | 2018 | |
| 41 | Ivory Coast | 5,319,784 | 2018 | |
| 42 | Morocco | 5,017,455 | 2018 | |
| 43 | Uzbekistan | 4,758,067 | 2018 | |
| 44 | Mali | 4,609,663 | 2018 | |
| 45 | Burkina Faso | 4,518,052 | 2018 | |
| 46 | Peru | 4,422,586 | 2018 | |
| 47 | Nepal | 4,350,210 | 2018 | |
| 48 | Saudi Arabia | 4,257,079 | 2018 | |
| 49 | Italy | 4,178,659 | 2018 | |
| 50 | Venezuela | 4,023,551 | 2018 | |
| 51 | Malawi | 4,002,520 | 2018 | |
| 52 | Malaysia | 3,900,487 | 2018 | |
| 53 | Zambia | 3,886,187 | 2018 | |
| 54 | Chad | 3,656,126 | 2018 | |
| 55 | Ukraine | 3,626,940 | 2018 | |
| 56 | South Korea | 3,570,212 | 2018 | |
| 57 | Spain | 3,510,549 | 2018 | |
| 58 | Somalia | 3,498,861 | 2018 | |
| 59 | Senegal | 3,430,389 | 2018 | |
| 60 | Syria | 3,097,270 | 2018 | |
| 61 | Canada | 3,057,028 | 2018 | |
| 62 | Guatemala | 3,033,895 | 2018 | |
| 63 | Zimbabwe | 2,967,389 | 2018 | |
| 64 | Poland | 2,898,484 | 2018 | |
| 65 | Kazakhstan | 2,662,270 | 2018 | |
| 66 | North Korea | 2,660,354 | 2018 | |
| 67 | Guinea | 2,626,903 | 2018 | |
| 68 | Sri Lanka | 2,595,643 | 2018 | |
| 69 | Cambodia | 2,586,373 | 2018 | |
| 70 | Burundi | 2,524,156 | 2018 | |
| 71 | Benin | 2,472,938 | 2018 | |
| 72 | Ecuador | 2,459,434 | 2018 | |
| 73 | Australia | 2,454,532 | 2018 | |
| 74 | Rwanda | 2,447,468 | 2018 | |
| 75 | South Sudan | 2,305,008 | 2018 | |
| 76 | Chile | 1,918,243 | 2018 | |
| 77 | Haiti | 1,844,815 | 2018 | |
| 78 | Bolivia | 1,808,263 | 2018 | |
| 79 | Jordan | 1,781,109 | 2018 | |
| 80 | Tajikistan | 1,651,207 | 2018 | |
| 81 | Togo | 1,633,852 | 2018 | |
| 82 | Sierra Leone | 1,597,058 | 2018 | |
| 83 | Papua New Guinea | 1,582,451 | 2018 | |
| 84 | Dominican Republic | 1,566,999 | 2018 | |
| 85 | Romania | 1,524,022 | 2018 | |
| 86 | Honduras | 1,514,984 | 2018 | |
| 87 | Netherlands | 1,435,972 | 2018 | |
| 88 | Tunisia | 1,421,782 | 2018 | |
| 89 | Israel | 1,266,229 | 2018 | |
| 90 | Azerbaijan | 1,237,877 | 2018 | |
| 91 | Laos | 1,172,085 | 2018 | |
| 92 | Republic of the Congo | 1,112,194 | 2018 | |
| 93 | Kyrgyzstan | 1,038,228 | 2018 | |
| 94 | Paraguay | 1,032,763 | 2018 | |
| 95 | Liberia | 1,021,396 | 2018 | |
| 96 | Belgium | 1,007,709 | 2018 | |
| 97 | Central African Republic | 996,106 | 2018 | |
| 98 | Libya | 953,215 | 2018 | |
| 99 | Nicaragua | 949,521 | 2018 | |
| 100 | Cuba | 926,669 | 2018 | |
| 101 | Sweden | 923,532 | 2018 | |
| 102 | Turkmenistan | 914,103 | 2018 | |
| 103 | Mauritania | 888,934 | 2018 | |
| 104 | El Salvador | 887,509 | 2018 | |
| 105 | Czech Republic | 847,605 | 2018 | |
| 106 | Belarus | 829,503 | 2018 | |
| 107 | Greece | 779,419 | 2018 | |
| 108 | Lebanon | 776,960 | 2018 | |
| 109 | Hungary | 717,509 | 2018 | |
| 110 | Portugal | 706,195 | 2018 | |
| 111 | Eritrea | 684,468 | 2011 | |
| 112 | United Arab Emirates | 679,769 | 2018 | |
| 113 | Switzerland | 651,846 | 2018 | |
| 114 | Austria | 640,832 | 2018 | |
| 115 | Serbia | 583,831 | 2018 | |
| 116 | Panama | 578,285 | 2018 | |
| 117 | Costa Rica | 547,227 | 2018 | |
| 118 | Republic of Ireland | 536,083 | 2018 | |
| 119 | Oman | 529,567 | 2018 | |
| 120 | Bulgaria | 519,628 | 2018 | |
| 121 | Gambia | 518,558 | 2018 | |
| 122 | New Zealand | 495,379 | 2018 | |
| 123 | Denmark | 489,331 | 2018 | |
| 124 | Norway | 484,182 | 2018 | |
| 125 | Mongolia | 480,056 | 2018 | |
| 126 | Finland | 464,802 | 2018 | |
| 127 | Hong Kong | 458,106 | 2018 | |
| 128 | Kuwait | 452,020 | 2018 | |
| 129 | Namibia | 448,370 | 2018 | |
| 130 | Slovakia | 431,096 | 2018 | |
| 131 | Singapore | 425,683 | 2018 | |
| 132 | Guinea-Bissau | 388,107 | 2018 | |
| 133 | Gabon | 383,990 | 2018 | |
| 134 | Georgia | 378,780 | 2018 | |
| 135 | Lesotho | 373,695 | 2018 | |
| 136 | Uruguay | 368,294 | 2018 | |
| 137 | Botswana | 354,424 | 2018 | |
| 138 | Jamaica | 339,612 | 2018 | |
| 139 | Armenia | 315,555 | 2018 | |
| 140 | Croatia | 309,827 | 2018 | |
| 141 | Puerto Rico | 292,108 | 2018 | |
| 142 | Moldova | 287,999 | 2018 | |
| 143 | East Timor | 281,497 | 2018 | |
| 144 | Albania | 254,830 | 2018 | |
| 145 | Equatorial Guinea | 245,314 | 2018 | |
| 146 | Bosnia and Herzegovina | 242,279 | 2018 | |
| 147 | Lithuania | 214,166 | 2018 | |
| 148 | Swaziland | 211,167 | 2018 | |
| 149 | Qatar | 196,813 | 2018 | |
| 150 | Republic of Macedonia | 177,170 | 2018 | |
| 151 | Comoros | 167,515 | 2018 | |
| 152 | Slovenia | 160,458 | 2018 | |
| 153 | Latvia | 153,853 | 2018 | |
| 154 | Bahrain | 153,455 | 2018 | |
| 155 | Djibouti | 148,527 | 2018 | |
| 156 | Trinidad and Tobago | 144,807 | 2018 | |
| 157 | Solomon Islands | 129,506 | 2018 | |
| 158 | Fiji | 128,929 | 2018 | |
| 159 | Mauritius | 115,185 | 2018 | |
| 160 | Guyana | 114,220 | 2018 | |
| 161 | Estonia | 112,445 | 2018 | |
| 162 | Cyprus | 102,865 | 2018 | |
| 163 | Bhutan | 100,478 | 2018 | |
| 164 | Cape Verde | 81,819 | 2018 | |
| 165 | Suriname | 77,999 | 2018 | |
| 166 | Maldives | 62,018 | 2018 | |
| 167 | Belize | 59,973 | 2018 | |
| 168 | Montenegro | 58,003 | 2018 | |
| 169 | Vanuatu | 54,467 | 2018 | |
| 170 | Luxembourg | 51,293 | 2018 | |
| 171 | Brunei | 49,821 | 2018 | |
| 172 | São Tomé and Príncipe | 45,118 | 2018 | |
| 173 | Macao | 44,748 | 2018 | |
| 174 | The Bahamas | 40,485 | 2018 | |
| 175 | Samoa | 36,976 | 2018 | |
| 176 | Malta | 36,238 | 2018 | |
| 177 | Iceland | 36,232 | 2018 | |
| 178 | French Polynesia | 32,546 | 2018 | |
| 179 | New Caledonia | 32,503 | 2018 | |
| 180 | Barbados | 27,685 | 2018 | |
| 181 | Kiribati | 20,838 | 2018 | |
| 182 | Guam | 20,756 | 2018 | |
| 183 | Federated States of Micronesia | 19,074 | 2018 | |
| 184 | Tonga | 18,802 | 2018 | |
| 185 | Saint Lucia | 16,992 | 2018 | |
| 186 | Curacao | 15,139 | 2018 | |
| 187 | Grenada | 15,048 | 2018 | |
| 188 | Saint Vincent and the Grenadines | 13,107 | 2018 | |
| 189 | Antigua and Barbuda | 11,396 | 2018 | |
| 190 | Seychelles | 10,976 | 2018 | |
| 191 | Virgin Islands (US) | 10,908 | 2018 | |
| 192 | Aruba | 9,513 | 2018 |