Los países con más población en el mundo 2021
| Población | Habitantes | |
| 1 | China | 1.397.715.000 |
| 2 | India | 1.366.417.754 |
| 3 | Estados Unidos | 328.239.523 |
| 4 | Indonesia | 270.625.568 |
| 5 | Pakistán | 216.565.318 |
| 6 | Brasil | 211.049.527 |
| 7 | Nigeria | 200.963.599 |
| 8 | Bangladesh | 163.046.161 |
| 9 | Federación de Rusia | 144.373.535 |
| 10 | México | 127.575.529 |
| 11 | Japón | 126.264.931 |
| 12 | Etiopía | 112.078.730 |
| 13 | Filipinas | 108.116.615 |
| 14 | Egipto, República Árabe de | 100.388.073 |
| 15 | Viet Nam | 96.462.106 |
| 16 | Congo, República Democrática del | 86.790.567 |
| 17 | Turquía | 83.429.615 |
| 18 | Alemania | 83.132.799 |
| 19 | Irán, República Islámica del | 82.913.906 |
| 20 | Tailandia | 69.625.582 |
| 21 | Francia | 67.059.887 |
| 22 | Reino Unido | 66.834.405 |
| 23 | Italia | 60.297.396 |
| 24 | Sudáfrica | 58.558.270 |
| 25 | Tanzanía | 58.005.463 |
| 26 | Myanmar | 54.045.420 |
| 27 | Kenya | 52.573.973 |
| 28 | Corea, República de | 51.709.098 |
| 29 | Colombia | 50.339.443 |
| 30 | España | 47.076.781 |
| 31 | Argentina | 44.938.712 |
| 32 | Ucrania | 44.385.155 |
| 33 | Uganda | 44.269.594 |
| 34 | Argelia | 43.053.054 |
| 35 | Sudán | 42.813.238 |
| 36 | Iraq | 39.309.783 |
| 37 | Afganistán | 38.041.754 |
| 38 | Polonia | 37.970.874 |
| 39 | Canadá | 37.589.262 |
| 40 | Marruecos | 36.471.769 |
| 41 | Arabia Saudita | 34.268.528 |
| 42 | Uzbekistán | 33.580.650 |
| 43 | Perú | 32.510.453 |
| 44 | Malasia | 31.949.777 |
| 45 | Angola | 31.825.295 |
| 46 | Ghana | 30.417.856 |
| 47 | Mozambique | 30.366.036 |
| 48 | Yemen, Rep. del | 29.161.922 |
| 49 | Nepal | 28.608.710 |
| 50 | Venezuela | 28.515.829 |
| 51 | Madagascar | 26.969.307 |
| 52 | Camerún | 25.876.380 |
| 53 | Côte d'Ivoire | 25.716.544 |
| 54 | Corea, República Popular Democrática de | 25.666.161 |
| 55 | Australia | 25.364.307 |
| 56 | Níger | 23.310.715 |
| 57 | Sri Lanka | 21.803.000 |
| 58 | Burkina Faso | 20.321.378 |
| 59 | Malí | 19.658.031 |
| 60 | Rumania | 19.356.544 |
| 61 | Chile | 18.952.038 |
| 62 | Malawi | 18.628.747 |
| 63 | Kazajstán | 18.513.930 |
| 64 | Zambia | 17.861.030 |
| 65 | Ecuador | 17.373.662 |
| 66 | Países Bajos | 17.332.850 |
| 67 | República Árabe Siria | 17.070.135 |
| 68 | Guatemala | 16.604.026 |
| 69 | Camboya | 16.486.542 |
| 70 | Senegal | 16.296.364 |
| 71 | Chad | 15.946.876 |
| 72 | Somalia | 15.442.905 |
| 73 | Zimbabwe | 14.645.468 |
| 74 | Guinea | 12.771.246 |
| 75 | Rwanda | 12.626.950 |
| 76 | Benin | 11.801.151 |
| 77 | Túnez | 11.694.719 |
| 78 | Burundi | 11.530.580 |
| 79 | Bolivia | 11.513.100 |
| 80 | Bélgica | 11.484.055 |
| 81 | Cuba | 11.333.483 |
| 82 | Haití | 11.263.077 |
| 83 | Sudán del Sur | 11.062.113 |
| 84 | República Dominicana | 10.738.958 |
| 85 | Grecia | 10.716.322 |
| 86 | República Checa | 10.669.709 |
| 87 | Suecia | 10.285.453 |
| 88 | Portugal | 10.269.417 |
| 89 | Jordania | 10.101.694 |
| 90 | Azerbaiyán | 10.023.318 |
| 91 | Emiratos Árabes Unidos | 9.770.529 |
| 92 | Hungría | 9.769.949 |
| 93 | Honduras | 9.746.117 |
| 94 | Belarús | 9.466.856 |
| 95 | Tayikistán | 9.321.018 |
| 96 | Israel | 9.053.300 |
| 97 | Austria | 8.877.067 |
| 98 | Papua Nueva Guinea | 8.776.109 |
| 99 | Suiza | 8.574.832 |
| 100 | Togo | 8.082.366 |
| 101 | Sierra Leona | 7.813.215 |
| 102 | Hong Kong, Región Administrativa Especial | 7.507.400 |
| 103 | República Democrática Popular Lao | 7.169.455 |
| 104 | Paraguay | 7.044.636 |
| 105 | Bulgaria | 6.975.761 |
| 106 | Serbia | 6.944.975 |
| 107 | Líbano | 6.855.713 |
| 108 | Libia | 6.777.452 |
| 109 | Nicaragua | 6.545.502 |
| 110 | Kirguistán | 6.456.900 |
| 111 | El Salvador | 6.453.553 |
| 112 | Turkmenistán | 5.942.089 |
| 113 | Dinamarca | 5.818.553 |
| 114 | Singapur | 5.703.569 |
| 115 | Finlandia | 5.520.314 |
| 116 | República Eslovaca | 5.454.073 |
| 117 | Congo, República del | 5.380.508 |
| 118 | Noruega | 5.347.896 |
| 119 | Costa Rica | 5.047.561 |
| 120 | Omán | 4.974.986 |
| 121 | Irlanda | 4.941.444 |
| 122 | Liberia | 4.937.374 |
| 123 | Nueva Zelandia | 4.917.000 |
| 124 | República Centroafricana | 4.745.185 |
| 125 | Ribera Occidental y Gaza | 4.685.306 |
| 126 | Mauritania | 4.525.696 |
| 127 | Panamá | 4.246.439 |
| 128 | Kuwait | 4.207.083 |
| 129 | Croacia | 4.067.500 |
| 130 | Georgia | 3.720.382 |
| 131 | Uruguay | 3.461.734 |
| 132 | Bosnia y Herzegovina | 3.301.000 |
| 133 | Mongolia | 3.225.167 |
| 134 | Puerto Rico | 3.193.694 |
| 135 | Armenia | 2.957.731 |
| 136 | Jamaica | 2.948.279 |
| 137 | Albania | 2.854.191 |
| 138 | Qatar | 2.832.067 |
| 139 | Lituania | 2.786.844 |
| 140 | República de Moldova | 2.657.637 |
| 141 | Namibia | 2.494.530 |
| 142 | Gambia | 2.347.706 |
| 143 | Botswana | 2.303.697 |
| 144 | Gabón | 2.172.579 |
| 145 | Lesotho | 2.125.268 |
| 146 | Eslovenia | 2.087.946 |
| 147 | Macedonia del Norte | 2.083.459 |
| 148 | Guinea-Bissau | 1.920.922 |
| 149 | Letonia | 1.912.789 |
| 150 | Kosovo | 1.794.248 |
| 151 | Bahrein | 1.641.172 |
| 152 | Trinidad y Tobago | 1.394.973 |
| 153 | Guinea Ecuatorial | 1.355.986 |
| 154 | Estonia | 1.326.590 |
| 155 | Timor-Leste | 1.293.119 |
| 156 | Mauricio | 1.265.711 |
| 157 | Chipre | 1.198.575 |
| 158 | Eswatini | 1.148.130 |
| 159 | Djibouti | 973.560 |
| 160 | Fiji | 889.953 |
| 161 | Comoras | 850.886 |
| 162 | Guyana | 782.766 |
| 163 | Bhután | 763.092 |
| 164 | Islas Salomón | 669.823 |
| 165 | Región Administrativa Especial de Macao, China | 640.445 |
| 166 | Montenegro | 622.137 |
| 167 | Luxemburgo | 619.896 |
| 168 | Suriname | 581.372 |
| 169 | Cabo Verde | 549.935 |
| 170 | Maldivas | 530.953 |
| 171 | Malta | 502.653 |
| 172 | Brunei Darussalam | 433.285 |
| 173 | Belice | 390.353 |
| 174 | Bahamas | 389.482 |
| 175 | Islandia | 361.313 |
| 176 | Vanuatu | 299.882 |
| 177 | Nueva Caledonia | 287.800 |
| 178 | Barbados | 287.025 |
| 179 | Polinesia Francesa | 279.287 |
| 180 | Santo Tomé y Príncipe | 215.056 |
| 181 | Samoa | 197.097 |
| 182 | Santa Lucía | 182.790 |
| 183 | Islas del Canal | 172.259 |
| 184 | Guam | 167.294 |
| 185 | Curacao | 157.538 |
| 186 | Kiribati | 117.606 |
| 187 | Micronesia (Estados Federados de) | 113.815 |
| 188 | Granada | 112.003 |
| 189 | San Vicente y las Granadinas | 110.589 |
| 190 | Islas Vírgenes (EE.UU.) | 106.631 |
| 191 | Aruba | 106.314 |
| 192 | Tonga | 104.494 |
| 193 | Seychelles | 97.625 |
| 194 | Antigua y Barbuda | 97.118 |
| 195 | Isla de Man | 84.584 |
| 196 | Andorra | 77.142 |
| 197 | Dominica | 71.808 |
| 198 | Islas Caimán | 64.948 |
| 199 | Bermudas | 63.918 |
| 200 | Islas Marshall | 58.791 |
| 201 | Mariana | 57.216 |
| 202 | Groenlandia | 56.225 |
| 203 | Samoa Americana | 55.312 |
| 204 | Saint Kitts y Nevis | 52.823 |
| 205 | Islas Feroe | 48.678 |
| 206 | Sint Maarten (Dutch part) | 40.733 |
| 207 | Mónaco | 38.964 |
| 208 | Islas Turcas y Caicos | 38.191 |
| 209 | Liechtenstein | 38.019 |
| 210 | Isla de San Martín (parte francesa) | 38.002 |
| 211 | San Marino | 33.860 |
| 212 | Gibraltar | 33.701 |
| 213 | Islas Vírgenes Británicas | 30.030 |
| 214 | Palau | 18.008 |
| 215 | Nauru | 12.581 |
| 216 | Tuvalu | 11.646 |
| - | Eritrea | sin datos |