| Rank # | Population 1950 | Continent | Initial Letter | Country | % Correct |
|---|---|---|---|---|---|
| 1 | 554,419,273 | Asia | C | China | 97%
|
| 2 | 376,325,200 | Asia | I | India | 97%
|
| 4 | 102,798,657 | Europe / Asia | R | Russia | 94%
|
| 3 | 158,804,395 | North America | U | United States | 94%
|
| 6 | 69,966,243 | Europe | G | Germany | 85%
|
| 5 | 82,802,084 | Asia | J | Japan | 85%
|
| 12 | 37,894,681 | Asia | B | Bangladesh | 82%
|
| 8 | 53,974,729 | South America | B | Brazil | 82%
|
| 11 | 41,833,882 | Europe | F | France | 82%
|
| 7 | 69,543,316 | Asia | I | Indonesia | 82%
|
| 10 | 46,598,601 | Europe | I | Italy | 82%
|
| 13 | 37,859,748 | Africa | N | Nigeria | 82%
|
| 14 | 37,542,376 | Asia | P | Pakistan | 82%
|
| 16 | 28,069,735 | Europe | S | Spain | 82%
|
| 9 | 50,616,014 | Europe | U | United Kingdom | 82%
|
| 17 | 27,944,669 | North America | M | Mexico | 79%
|
| 20 | 21,408,399 | Europe / Asia | T | Turkey | 76%
|
| 19 | 24,809,902 | Asia | V | Vietnam | 76%
|
| 21 | 20,710,360 | Asia | T | Thailand | 74%
|
| 22 | 20,451,978 | Africa | E | Egypt | 71%
|
| 18 | 24,824,018 | Europe | P | Poland | 71%
|
| 15 | 37,297,648 | Europe | U | Ukraine | 71%
|
| 28 | 17,037,912 | South America | A | Argentina | 68%
|
| 25 | 18,128,034 | Africa | E | Ethiopia | 68%
|
| 27 | 17,119,265 | Asia | I | Iran | 68%
|
| 24 | 18,580,490 | Asia | P | Philippines | 68%
|
| 29 | 16,236,296 | Europe | R | Romania | 68%
|
| 30 | 13,733,402 | North America | C | Canada | 65%
|
| 32 | 11,981,576 | South America | C | Colombia | 65%
|
| 33 | 12,183,659 | Africa | D | D. R. Congo | 65%
|
| 26 | 17,779,628 | Asia | M (B) | Myanmar | 65%
|
| 31 | 13,628,428 | Africa | S | South Africa | 65%
|
| 23 | 19,211,385 | Asia | S | South Korea | 65%
|
| 36 | 9,337,723 | Europe | H | Hungary | 62%
|
| 37 | 8,985,989 | Africa | M | Morocco | 62%
|
| 35 | 10,042,043 | Europe | N | Netherlands | 62%
|
| 34 | 10,549,472 | Asia | N | North Korea | 62%
|
| 39 | 8,872,247 | Africa | A | Algeria | 59%
|
| 43 | 8,177,342 | Oceania | A | Australia | 59%
|
| 40 | 8,637,519 | Europe | B | Belgium | 59%
|
| 38 | 8,902,619 | Europe | C | Czech Republic | 59%
|
| 48 | 7,668,794 | Europe | G | Greece | 59%
|
| 45 | 7,777,446 | South America | P | Peru | 59%
|
| 42 | 8,416,967 | Europe | P | Portugal | 59%
|
| 49 | 7,649,761 | Africa | T | Tanzania | 59%
|
| 46 | 7,752,118 | Asia | A | Afghanistan | 56%
|
| 47 | 7,745,002 | Europe | B | Belarus | 56%
|
| 51 | 7,250,999 | Europe | B | Bulgaria | 56%
|
| 54 | 6,732,256 | Europe | S | Serbia | 56%
|
| 53 | 6,936,439 | Europe | A | Austria | 53%
|
| 56 | 6,598,524 | South America | C | Chile | 53%
|
| 55 | 6,702,991 | Asia | K | Kazakhstan | 53%
|
| 59 | 6,076,758 | Africa | K | Kenya | 53%
|
| 41 | 8,483,325 | Asia | N | Nepal | 53%
|
| 52 | 7,009,912 | Europe | S | Sweden | 53%
|
| 50 | 7,602,361 | Asia | T | Taiwan | 53%
|
| 61 | 5,919,993 | North America | C | Cuba | 50%
|
| 60 | 5,958,970 | Africa | M | Mozambique | 50%
|
| 57 | 6,264,056 | Asia | U | Uzbekistan | 50%
|
| 66 | 5,036,146 | Africa | G | Ghana | 47%
|
| 58 | 6,109,915 | Asia | M | Malaysia | 47%
|
| 44 | 7,971,098 | Asia | S | Sri Lanka | 47%
|
| 64 | 5,481,978 | South America | V | Venezuela | 47%
|
| 69 | 4,661,282 | Asia | Y | Yemen | 47%
|
| 74 | 4,268,271 | Europe | D | Denmark | 44%
|
| 63 | 5,719,192 | Asia | I | Iraq | 44%
|
| 62 | 5,733,789 | Africa | S | Sudan | 44%
|
| 65 | 5,158,190 | Africa | U | Uganda | 44%
|
| 70 | 4,548,023 | Africa | A | Angola | 41%
|
| 71 | 4,432,714 | Asia | C | Cambodia | 41%
|
| 77 | 3,850,297 | Europe | C | Croatia | 41%
|
| 76 | 4,008,294 | Europe | F | Finland | 41%
|
| 67 | 4,708,429 | Africa | M | Mali | 41%
|
| 68 | 4,668,086 | Europe | S | Switzerland | 41%
|
| 73 | 4,284,461 | Africa | B | Burkina Faso | 38%
|
| 80 | 3,470,159 | South America | E | Ecuador | 38%
|
| 87 | 3,081,830 | South America | B | Bolivia | 35%
|
| 72 | 4,307,023 | Africa | C | Cameroon | 35%
|
| 79 | 3,527,008 | Asia | G | Georgia | 35%
|
| 86 | 3,114,957 | North America | G | Guatemala | 35%
|
| 84 | 3,221,283 | North America | H | Haiti | 35%
|
| 75 | 4,083,554 | Africa | M | Madagascar | 35%
|
| 89 | 2,953,871 | Africa | M | Malawi | 35%
|
| 83 | 3,265,273 | Europe | N | Norway | 35%
|
| 135 | 827,252 | Africa | R (C) | Republic of Congo | 35%
|
| 92 | 2,746,852 | Africa | Z | Zimbabwe | 35%
|
| 90 | 2,927,921 | Asia | A | Azerbaijan | 32%
|
| 160 | 210,992 | North America | B | Barbados | 32%
|
| 93 | 2,661,296 | Europe | B | Bosnia & Herzegovina | 32%
|
| 97 | 2,502,319 | Africa | C | Chad | 32%
|
| 157 | 273,003 | Africa | E (S) | Eswatini | 32%
|
| 88 | 3,012,951 | Africa | G | Guinea | 32%
|
| 142 | 535,428 | Africa | G | Guinea-Bissau | 32%
|
| 115 | 1,546,724 | North America | H | Honduras | 32%
|
| 91 | 2,912,680 | Europe | I | Ireland | 32%
|
| 119 | 1,402,899 | North America | J | Jamaica | 32%
|
| 146 | 481,321 | Asia | J | Jordan | 32%
|
| 138 | 764,000 | Europe | K | Kosovo | 32%
|
| 113 | 1,740,004 | Asia | K | Kyrgyzstan | 32%
|
| 95 | 2,567,403 | Europe | L | Lithuania | 32%
|
| 96 | 2,559,703 | Africa | N | Niger | 32%
|
| 148 | 456,419 | Asia | O | Oman | 32%
|
| 110 | 2,002,148 | Oceania | P | Papua New Guinea | 32%
|
| 141 | 645,635 | North America | T | Trinidad and Tobago | 32%
|
| 78 | 3,605,306 | Africa | T | Tunisia | 32%
|
| 102 | 2,310,442 | Africa | Z | Zambia | 32%
|
| 125 | 1,263,174 | Europe | A | Albania | 29%
|
| 121 | 1,353,510 | Asia | A | Armenia | 29%
|
| 103 | 2,308,920 | Africa | B | Burundi | 29%
|
| 144 | 494,015 | Asia | C | Cyprus | 29%
|
| 107 | 2,199,898 | North America | E | El Salvador | 29%
|
| 130 | 1,100,995 | Europe | E | Estonia | 29%
|
| 156 | 288,988 | Oceania | F | Fiji | 29%
|
| 164 | 155,565 | Oceania | F (M) | F. S. Micronesia | 29%
|
| 151 | 406,559 | South America | G | Guyana | 29%
|
| 94 | 2,630,135 | Africa | I (C) | Ivory Coast | 29%
|
| 111 | 1,926,568 | Europe | L | Latvia | 29%
|
| 139 | 704,686 | Africa | L | Lesotho | 29%
|
| 133 | 930,030 | Africa | L | Liberia | 29%
|
| 153 | 312,003 | Europe | M | Malta | 29%
|
| 143 | 514,384 | Africa | N | Namibia | 29%
|
| 112 | 1,908,000 | Oceania | N | New Zealand | 29%
|
| 127 | 1,254,445 | Europe | N (M) | North Macedonia | 29%
|
| 117 | 1,473,253 | South America | P | Paraguay | 29%
|
| 108 | 2,186,185 | Africa | R | Rwanda | 29%
|
| 85 | 3,121,335 | Asia | S | Saudi Arabia | 29%
|
| 98 | 2,486,635 | Africa | S | Senegal | 29%
|
| 131 | 1,022,096 | Asia | S | Singapore | 29%
|
| 82 | 3,346,573 | Europe | S | Slovakia | 29%
|
| 116 | 1,531,501 | Asia | T | Tajikistan | 29%
|
| 106 | 2,238,507 | South America | U | Uruguay | 29%
|
| 105 | 2,255,226 | Africa | B | Benin | 26%
|
| 150 | 412,531 | Africa | B | Botswana | 26%
|
| 132 | 945,696 | North America | C | Costa Rica | 26%
|
| 100 | 2,364,654 | North America | D | Dominican Republic | 26%
|
| 149 | 414,760 | Asia | E (T) | East Timor | 26%
|
| 158 | 225,537 | Africa | E | Equatorial Guinea | 26%
|
| 136 | 822,350 | Africa | E | Eritrea | 26%
|
| 147 | 473,298 | Africa | G | Gabon | 26%
|
| 154 | 304,889 | Africa | G | Gambia | 26%
|
| 172 | 76,681 | North America | G | Grenada | 26%
|
| 166 | 142,659 | Europe | I | Iceland | 26%
|
| 126 | 1,257,971 | Asia | I | Israel | 26%
|
| 165 | 153,098 | Asia | K | Kuwait | 26%
|
| 114 | 1,682,915 | Asia | L | Laos | 26%
|
| 122 | 1,334,621 | Asia | L | Lebanon | 26%
|
| 129 | 1,124,515 | Africa | L | Libya | 26%
|
| 155 | 296,001 | Europe | L | Luxembourg | 26%
|
| 140 | 651,436 | Africa | M | Mauritania | 26%
|
| 145 | 493,255 | Africa | M | Mauritius | 26%
|
| 152 | 394,739 | Europe | M | Montenegro | 26%
|
| 124 | 1,294,992 | North America | N | Nicaragua | 26%
|
| 134 | 859,659 | North America | P | Panama | 26%
|
| 170 | 82,097 | Oceania | S | Samoa | 26%
|
| 109 | 2,041,203 | Africa | S | Sierra Leone | 26%
|
| 118 | 1,473,093 | Europe | S | Slovenia | 26%
|
| 104 | 2,264,082 | Africa | S | Somalia | 26%
|
| 99 | 2,482,301 | Africa | S | South Sudan | 26%
|
| 159 | 215,002 | South America | S | Suriname | 26%
|
| 81 | 3,413,331 | Asia | S | Syria | 26%
|
| 120 | 1,395,457 | Africa | T | Togo | 26%
|
| 128 | 1,210,994 | Asia | T | Turkmenistan | 26%
|
| 196 | 908 | Europe | V | Vatican City | 26%
|
| 193 | 6,196 | Europe | A | Andorra | 24%
|
| 184 | 45,519 | North America | A | Antigua & Barbuda | 24%
|
| 123 | 1,326,652 | Africa | C | Central African Republic | 24%
|
| 177 | 62,001 | Africa | D | Djibouti | 24%
|
| 186 | 33,048 | Oceania | K | Kiribati | 24%
|
| 189 | 13,758 | Europe | L | Liechtenstein | 24%
|
| 190 | 13,001 | Oceania | M | Marshall Islands | 24%
|
| 101 | 2,340,997 | Europe | M | Moldova | 24%
|
| 188 | 19,996 | Europe | M | Monaco | 24%
|
| 137 | 780,199 | Asia | M | Mongolia | 24%
|
| 187 | 25,003 | Asia | Q | Qatar | 24%
|
| 183 | 46,049 | North America | S | Saint Kitts & Nevis | 24%
|
| 191 | 12,781 | Europe | S | San Marino | 24%
|
| 168 | 89,794 | Oceania | S | Solomon Islands | 24%
|
| 182 | 47,220 | Oceania | T | Tonga | 24%
|
| 181 | 47,697 | Oceania | V | Vanuatu | 24%
|
| 171 | 79,093 | North America | B | Bahamas | 21%
|
| 175 | 68,919 | North America | B | Belize | 21%
|
| 162 | 176,797 | Asia | B | Bhutan | 21%
|
| 161 | 178,065 | Africa | C | Cape Verde | 21%
|
| 163 | 159,459 | Africa | C | Comoros | 21%
|
| 195 | 3,424 | Oceania | N | Nauru | 21%
|
| 192 | 7,441 | Oceania | P | Palau | 21%
|
| 169 | 82,784 | North America | S | Saint Lucia | 21%
|
| 176 | 66,998 | North America | S | Saint Vincent & the Grenadines | 21%
|
| 185 | 36,325 | Africa | S | Seychelles | 21%
|
| 194 | 4,673 | Oceania | T | Tuvalu | 21%
|
| 167 | 115,611 | Asia | B | Bahrain | 18%
|
| 180 | 48,001 | Asia | B | Brunei | 18%
|
| 179 | 51,100 | North America | D | Dominica | 18%
|
| 173 | 73,712 | Asia | M | Maldives | 18%
|
| 178 | 60,002 | Africa | S | Sao Tome & Principe | 18%
|
| 174 | 69,588 | Asia | U | United Arab Emirates | 15%
|