| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,544 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,435 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,136 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,233 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,214 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,525 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,759 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,156 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,371 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,444 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,982 |
| Countries with Megacities | 0 | - | 4.99 | 246,490 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,898 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,788 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,362 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,745 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,772 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,813 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,818 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,439 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,536 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,904 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,111 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,250 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,848 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,353 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,529 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,345 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,935 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,391 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,266 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,060 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,033 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,732 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,538 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,828 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,911 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,774 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,945 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,795 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,895 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,333 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,902 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,942 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,804 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,704 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,601 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,832 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,923 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,721 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,878 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,488 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,419 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,238 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,070 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,107 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,588 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,576 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,751 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,790 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,877 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,431 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,476 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,451 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,512 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,013 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,123 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,697 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,627 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,008 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,655 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,153 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,867 |
| Olympic Host Countries | 0 | - | 4.98 | 198,822 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,773 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,450 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,183 |
| The Only European Country ... | 0 | - | 4.91 | 213,673 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,006 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,438 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,173 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,474 |
| Countries of Africa | 0 | - | 5.00 | 2,506,283 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,350 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,429 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,688 |
| Biggest Cities in History | 0 | - | 4.52 | 89,089 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,102 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,180 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,604 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,741 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,646 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,078 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,336 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,786 |
| Largest City by Island | 0 | - | 4.87 | 70,999 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,478 |
| Megacities on a World Map | 0 | - | 4.98 | 250,788 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,981 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,760 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,813 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,603 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,095 |
| Former Capitals | 0 | - | 4.88 | 71,121 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,312 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,201 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,334 |
| Countries of the Middle East | 0 | - | 4.96 | 198,817 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,204 |
| Slavic Countries | 0 | - | 4.96 | 110,812 |
| African Island Countries | 0 | - | 4.96 | 100,727 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,415 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,476 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,927 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,142 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,652 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,427 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,020 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,740 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,215 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,561 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,657 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,717 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,130 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,127 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,527 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,204 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,367 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,192 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,467 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,109 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,221 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,537 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,843 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,445 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,264 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,229 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,283 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,144 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,302 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,303 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,333 |
| Monarchies of Europe | 0 | - | 4.90 | 97,268 |
| Monarchies of Asia | 0 | - | 4.97 | 70,572 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,801 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,415 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,681 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,843 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,011 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,639 |
| Countries that Start with D | 0 | - | 4.96 | 701,071 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,950 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,175 |
| Countries that Start with H | 0 | - | 4.96 | 597,557 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,822 |
| Countries that Start with J | 0 | - | 4.98 | 595,626 |
| Countries that Start with K | 0 | - | 4.96 | 809,044 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,458 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,307 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,153 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,948 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,888 |
| Countries that Start with U | 0 | - | 4.97 | 899,683 |
| Countries that Start with V | 0 | - | 4.98 | 604,856 |
| Countries that Start with F | 0 | - | 4.83 | 611,864 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,852 |
| The Only African Country ... | 0 | - | 4.99 | 128,315 |
| The Only American Country ... | 0 | - | 4.92 | 120,713 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,135 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,544 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,837 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,003 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,303 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,982 |
| European Countries with One Border | 0 | - | 4.97 | 181,548 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,366 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,062 |
| Most Populous Islands | 0 | - | 4.78 | 121,945 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,196 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,841 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,778 |
| Biggest British Empire Countries | 0 | - | 4.73 | 87,265 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,859 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,652 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,645 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,291 |
| Countries That Border Russia | 0 | - | 4.98 | 458,762 |
| Countries Bordering France | 0 | - | 4.85 | 398,389 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,904 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,513 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,084 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,378 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,517 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,734 |
