| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,489 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,185 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,083 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,183 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,193 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,531 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,496 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,733 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,125 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,780 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,249 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,900 |
| Countries with Megacities | 0 | - | 4.99 | 246,289 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,752 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,691 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,741 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,735 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,777 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,507 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,768 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,779 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,308 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,276 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,343 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,334 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,201 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,024 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,981 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,687 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,493 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,748 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,841 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,712 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,915 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,769 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,858 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,285 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,866 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,832 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,797 |
| Most Populous Countries in 1950 | 0 | - | 4.62 | 85,602 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,589 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,809 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,879 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,684 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,450 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,426 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,376 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,208 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,611 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,084 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,517 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,473 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,599 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,720 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,699 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,362 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,427 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,305 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,450 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,968 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,075 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,659 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,593 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,359 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,540 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,106 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,769 |
| Olympic Host Countries | 0 | - | 4.98 | 198,779 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,742 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,366 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,896 |
| The Only European Country ... | 0 | - | 4.91 | 213,551 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,881 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,353 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,430 |
| Countries of Africa | 0 | - | 5.00 | 2,505,087 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,297 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,381 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,648 |
| Biggest Cities in History | 0 | - | 4.52 | 89,058 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,080 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,158 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,585 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,700 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,635 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,071 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,249 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,719 |
| Largest City by Island | 0 | - | 4.87 | 70,964 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,425 |
| Megacities on a World Map | 0 | - | 4.98 | 250,504 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,736 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,731 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,771 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,532 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,037 |
| Former Capitals | 0 | - | 4.88 | 71,093 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,731 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,083 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,314 |
| Countries of the Middle East | 0 | - | 4.96 | 198,737 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,174 |
| Slavic Countries | 0 | - | 4.96 | 110,782 |
| African Island Countries | 0 | - | 4.96 | 100,679 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,381 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,463 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,848 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,648 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,601 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,379 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,948 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,729 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,200 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,505 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,607 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,682 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,119 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,092 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,210 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,482 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,171 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,144 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,442 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,071 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,123 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,515 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,692 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,368 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,228 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,161 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,270 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,112 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,260 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,276 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,303 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,783 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,385 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,577 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,041 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,330 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,052 |
| Countries that Start with D | 0 | - | 4.96 | 700,693 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,517 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,713 |
| Countries that Start with H | 0 | - | 4.96 | 597,221 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,396 |
| Countries that Start with J | 0 | - | 4.98 | 595,308 |
| Countries that Start with K | 0 | - | 4.96 | 808,748 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,107 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,980 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,796 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,442 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,578 |
| Countries that Start with U | 0 | - | 4.97 | 899,389 |
| Countries that Start with V | 0 | - | 4.98 | 604,644 |
| Countries that Start with F | 0 | - | 4.83 | 611,608 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,470 |
| The Only African Country ... | 0 | - | 4.99 | 128,283 |
| The Only American Country ... | 0 | - | 4.92 | 120,673 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,743 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,103 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,496 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,770 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,974 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,240 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,938 |
| European Countries with One Border | 0 | - | 4.97 | 181,489 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,997 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,027 |
| Most Populous Islands | 0 | - | 4.78 | 121,919 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,191 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,395 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,823 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,712 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,238 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,851 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,605 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,587 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,233 |
| Countries That Border Russia | 0 | - | 4.98 | 458,607 |
| Countries Bordering France | 0 | - | 4.85 | 397,198 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,759 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,494 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,049 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,308 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,471 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,684 |
