| # | País | Edad media | Fecha de la información |
| 1 | Mónaco | 52,40 | |
| 2 | Japón | 46,90 | |
| 3 | Alemania | 46,80 | |
| 4 | San Pedro y Miquelón | 45,90 | |
| 5 | Islas Vírgenes | 45,60 | |
| 6 | Italia | 45,10 | |
| 7 | Grecia | 44,20 | |
| 8 | San Marino | 44,20 | |
| 9 | Eslovenia | 44,10 | |
| 10 | Hong Kong | 44 | |
| 11 | Isla de Man | 43,90 | |
| 12 | Austria | 43,80 | |
| 13 | Andorra | 43,70 | |
| 14 | Guernsey | 43,60 | |
| 15 | San Bartolomé | 43,60 | |
| 16 | Lituania | 43,40 | |
| 17 | Letonia | 43,30 | |
| 18 | Bermudas | 43,20 | |
| 19 | Liechtenstein | 42,90 | |
| 20 | Croacia | 42,70 | |
| 21 | Unión Europea | 42,70 | |
| 22 | Países Bajos | 42,50 | |
| 23 | Estonia | 42,40 | |
| 24 | Finlandia | 42,40 | |
| 25 | Bulgaria | 42,40 | |
| 26 | Serbia | 42,30 | |
| 27 | España | 42,30 | |
| 28 | Suiza | 42,20 | |
| 29 | Dinamarca | 42 | |
| 30 | Canadá | 42 | |
| 31 | Hungría | 41,80 | |
| 32 | Portugal | 41,80 | |
| 33 | República Checa | 41,70 | |
| 34 | Bosnia y Herzegovina | 41,70 | |
| 35 | Malta | 41,50 | |
| 36 | Santa Elena, Ascensión y Tristán de Acuña | 41,50 | |
| 37 | Bélgica | 41,40 | |
| 38 | Francia | 41,20 | |
| 39 | Corea del Sur | 41,20 | |
| 40 | Suecia | 41,20 | |
| 41 | Cuba | 41,10 | |
| 42 | Sint Maarten | 40,70 | |
| 43 | Rumania | 40,70 | |
| 44 | Reino Unido | 40,50 | |
| 45 | Ucrania | 40,40 | |
| 46 | Polonia | 40,30 | |
| 47 | Taiwán | 40,20 | |
| 48 | Montenegro | 40,20 | |
| 49 | Eslovaquia | 40,10 | |
| 50 | Islas Caimán | 39,90 | |
| 51 | Bielorrusia | 39,80 | |
| 52 | Puerto Rico | 39,50 | |
| 53 | Rusia | 39,30 | |
| 54 | Luxemburgo | 39,20 | |
| 55 | Aruba | 39,10 | |
| 56 | Noruega | 39,10 | |
| 57 | Macao | 38,70 | |
| 58 | Australia | 38,60 | |
| 59 | Jersey | 38,50 | |
| 60 | Barbados | 38,30 | |
| 61 | Georgia | 38 | |
| 62 | Estados Unidos | 37,90 | |
| 63 | Nueva Zelanda | 37,80 | |
| 64 | Islas Feroe | 37,70 | |
| 65 | República de Macedonia | 37,50 | |
| 66 | Tailandia | 37,20 | |
| 67 | China | 37,10 | |
| 68 | Chipre | 36,40 | |
| 69 | Irlanda | 36,40 | |
| 70 | Islandia | 36,30 | |
| 71 | Moldavia | 36,30 | |
| 72 | Islas Vírgenes Británicas | 36,20 | |
| 73 | Curazao | 36 | |
| 74 | Islas Cook | 35,90 | |
| 75 | Trinidad y Tobago | 35,50 | |
| 76 | Seychelles | 34,90 | |
| 77 | Mauricio | 34,80 | |
| 78 | Uruguay | 34,70 | |
| 79 | Armenia | 34,60 | |
| 80 | Anguila | 34,60 | |
| 81 | Gibraltar | 34,50 | |
| 82 | San Cristóbal y Nieves | 34,50 | |
| 83 | Singapur | 34,30 | |
| 84 | Santa Lucía | 34,20 | |
| 85 | Chile | 34 | |
| 86 | Groenlandia | 33,80 | |
| 87 | Corea del Norte | 33,80 | |
| 88 | Palaos | 33,30 | |
| 89 | Catar | 33 | |
| 90 | San Vicente y las Granadinas | 33 | |
| 91 | Dominica | 33 | |
| 92 | Islas Turcas y Caicos | 32,90 | |
| 93 | Islas Marianas del Norte | 32,70 | |
| 94 | Montserrat | 32,60 | |
| 95 | Albania | 32,50 | |
| 96 | Sri Lanka | 32,50 | |
| 97 | Túnez | 32,40 | |
| 98 | Isla de San Martín | 32,30 | |
| 99 | Baréin | 32,10 | |
| 100 | Bahamas | 31,80 | |
| 101 | Nueva Caledonia | 31,70 | |
| 102 | Antigua y Barbuda | 31,60 | |
| 103 | Brasil | 31,60 | |
| 104 | Wallis y Futuna | 31,60 | |
| 105 | Polinesia Francesa | 31,50 | |
| 106 | Argentina | 31,50 | |
| 107 | Azerbaiyán | 30,90 | |
| 108 | Costa Rica | 30,90 | |
| 109 | Granada | 30,90 | |
| 110 | Turquía | 30,50 | |
| 111 | Guam | 30,40 | |
| 112 | Kazajistán | 30,30 | |
| 113 | Emiratos Árabes Unidos | 30,30 | |
| 114 | Vietnam | 30,10 | |
| 115 | Indonesia | 29,90 | |
| 116 | Líbano | 29,90 | |
| 117 | Brunéi | 29,90 | |
| 118 | Israel | 29,70 | |
| 119 | Colombia | 29,60 | |
| 120 | Surinam | 29,50 | |
| 121 | Samoa Americana | 29,40 | |
| 122 | Irán | 29,40 | |
| 123 | Kuwait | 29,20 | |
| 124 | Marruecos | 28,90 | |
| 125 | Panamá | 28,90 | |
| 126 | Kosovo | 28,70 | |
| 127 | Birmania | 28,60 | |
| 128 | Fiyi | 28,60 | |
| 129 | Libia | 28,50 | |
| 130 | Malasia | 28,20 | |
| 131 | Uzbekistán | 28,10 | |
| 132 | Venezuela | 28 | |
| 133 | México | 28 | |
| 134 | Mongolia | 27,90 | |
| 135 | Maldivas | 27,80 | |
| 136 | República Dominicana | 27,80 | |
| 137 | Argelia | 27,80 | |
| 138 | Paraguay | 27,80 | |
| 139 | Perú | 27,70 | |
| 140 | India | 27,60 | |
| 141 | Turkmenistán | 27,50 | |
| 142 | Ecuador | 27,40 | |
| 143 | Bután | 27,20 | |
| 144 | Arabia Saudita | 27,20 | |
| 145 | Sudáfrica | 26,80 | |
| 146 | El Salvador | 26,60 | |
| 147 | Bangladés | 26,30 | |
| 148 | Kirguistán | 26,20 | |
| 149 | Nauru | 26,10 | |
| 150 | Guyana | 25,80 | |
| 151 | Jamaica | 25,60 | |
| 152 | Tuvalu | 25,50 | |
| 153 | Omán | 25,40 | |
| 154 | Nicaragua | 25,20 | |
| 155 | Cabo Verde | 24,90 | |
| 156 | Camboya | 24,90 | |
| 157 | Estados Federados de Micronesia | 24,70 | |
| 158 | Kiribati | 24,30 | |
| 159 | Tayikistán | 24,20 | |
| 160 | Siria | 24,10 | |
| 161 | Lesoto | 24 | |
| 162 | Bolivia | 24 | |
| 163 | Samoa | 23,90 | |
| 164 | Egipto | 23,80 | |
| 165 | Nepal | 23,60 | |
| 166 | Yibuti | 23,50 | |
| 167 | Pakistán | 23,40 | |
| 168 | Filipinas | 23,40 | |
| 169 | Botsuana | 23,20 | |
| 170 | Papúa Nueva Guinea | 22,90 | |
| 171 | Islas Marshall | 22,70 | |
| 172 | Laos | 22,70 | |
| 173 | Haití | 22,60 | |
| 174 | Honduras | 22,60 | |
| 175 | Tonga | 22,60 | |
| 176 | Belice | 22,40 | |
| 177 | Jordania | 22,30 | |
| 178 | Islas Salomón | 22,20 | |
| 179 | Vanuatu | 21,70 | |
| 180 | Guatemala | 21,70 | |
| 181 | Suazilandia | 21,40 | |
| 182 | Sahara Occidental | 21,10 | |
| 183 | Namibia | 21 | |
| 184 | Ghana | 21 | |
| 185 | Cisjordania | 20,80 | |
| 186 | Gambia | 20,70 | |
| 187 | Costa de Marfil | 20,70 | |
| 188 | Zimbabue | 20,60 | |
| 189 | Mauritania | 20,30 | |
| 190 | Guinea-Bisáu | 20 | |
| 191 | Irak | 19,90 | |
| 192 | República del Congo | 19,70 | |
| 193 | Togo | 19,70 | |
| 194 | Sudán | 19,60 | |
| 195 | Comoras | 19,60 | |
| 196 | República Centroafricana | 19,60 | |
| 197 | Guinea Ecuatorial | 19,60 | |
| 198 | Kenia | 19,50 | |
| 199 | Madagascar | 19,50 | |
| 200 | Eritrea | 19,40 | |
| 201 | Yemen | 19,20 | |
| 202 | Ruanda | 19 | |
| 203 | Sierra Leona | 19 | |
| 204 | Timor Oriental | 18,80 | |
| 205 | Guinea | 18,80 | |
| 206 | Senegal | 18,70 | |
| 207 | Gabón | 18,60 | |
| 208 | Afganistán | 18,60 | |
| 209 | Camerún | 18,50 | |
| 210 | República Democrática del Congo | 18,40 | |
| 211 | Liberia | 18,30 | |
| 212 | Nigeria | 18,30 | |
| 213 | Santo Tomé y Príncipe | 18,20 | |
| 214 | Angola | 18,20 | |
| 215 | Benín | 18 | |
| 216 | Somalia | 17,90 | |
| 217 | Etiopía | 17,80 | |
| 218 | Chad | 17,60 | |
| 219 | Tanzania | 17,60 | |
| 220 | Burkina Faso | 17,20 | |
| 221 | Mozambique | 17,10 | |
| 222 | Sudán del Sur | 17,10 | |
| 223 | Burundi | 17 | |
| 224 | Franja de Gaza | 16,90 | |
| 225 | Zambia | 16,70 | |
| 226 | Malaui | 16,50 | |
| 227 | Malí | 16,20 | |
| 228 | Uganda | 15,70 | |
| 229 | Níger | 15,30 | |
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