| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,711 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,569 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,979 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,236 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,717 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,237 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,525 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,206 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,141 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,195 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,371 |
| Countries with Megacities | 0 | - | 4.99 | 262,975 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,205 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,182 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,505 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,221 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,679 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,697 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,851 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,367 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,505 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,051 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,665 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,590 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,395 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,852 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,109 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,286 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,924 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,427 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,929 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,115 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,917 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,078 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,808 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,782 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,265 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,787 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,414 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,108 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,223 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,394 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,129 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,806 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,208 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,409 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,948 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,319 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,278 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,649 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,641 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,236 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,877 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,490 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,868 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,434 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,889 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,267 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,671 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,756 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,460 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,467 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,814 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,220 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,994 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,351 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,585 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,878 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,039 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,364 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,944 |
| Olympic Host Countries | 0 | - | 4.98 | 200,671 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,795 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,168 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,220 |
| The Only European Country ... | 0 | - | 4.91 | 216,512 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,169 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,059 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,642 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,727 |
| Countries of Africa | 0 | - | 5.00 | 2,535,646 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,344 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,224 |
| Biggest Cities in History | 0 | - | 4.52 | 90,113 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,265 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,448 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,991 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,843 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,246 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,480 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,329 |
| Largest City by Island | 0 | - | 4.87 | 71,828 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,898 |
| Megacities on a World Map | 0 | - | 4.98 | 254,390 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,900 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,318 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,882 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,566 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,294 |
| Former Capitals | 0 | - | 4.88 | 71,440 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,318 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,612 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,858 |
| Countries of the Middle East | 0 | - | 4.96 | 201,082 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,237 |
| Slavic Countries | 0 | - | 4.96 | 111,622 |
| African Island Countries | 0 | - | 4.96 | 101,593 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,435 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,866 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,949 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,318 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,484 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,161 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,713 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,845 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,474 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,451 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,083 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,918 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,626 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,699 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,591 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,198 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,168 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,552 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,191 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,122 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,961 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,233 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,897 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,897 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,027 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,389 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,360 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,931 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,528 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,603 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,870 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,250 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,085 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,055 |
| Monarchies of Europe | 0 | - | 4.90 | 98,112 |
| Monarchies of Asia | 0 | - | 4.97 | 71,073 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,361 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,869 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,474 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,327 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,349 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,650 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,388 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,412 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,294 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,254 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,509 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,758 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,818 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,549 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,382 |
| Countries that Start with D | 0 | - | 4.96 | 709,144 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,639 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,723 |
| Countries that Start with H | 0 | - | 4.96 | 604,411 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,658 |
| Countries that Start with J | 0 | - | 4.98 | 602,120 |
| Countries that Start with K | 0 | - | 4.97 | 815,440 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,292 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,290 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,728 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,260 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,523 |
| Countries that Start with U | 0 | - | 4.97 | 904,242 |
| Countries that Start with V | 0 | - | 4.98 | 609,177 |
| Countries that Start with F | 0 | - | 4.83 | 617,326 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,191 |
| The Only African Country ... | 0 | - | 4.99 | 129,077 |
| The Only American Country ... | 0 | - | 4.92 | 121,565 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,114 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,765 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,818 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,478 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,956 |
| European Countries with One Border | 0 | - | 4.97 | 182,729 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,528 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,172 |
| Most Populous Islands | 0 | - | 4.80 | 122,898 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,296 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,529 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,070 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,240 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,556 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,949 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,147 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,825 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,315 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,503 |
| Countries That Border Russia | 0 | - | 4.98 | 461,624 |
| Countries Bordering France | 0 | - | 4.83 | 402,440 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,302 |
