| Most Populous Countries by Year | 0 | - | 4.83 | 111,314 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,873 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,829 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,481 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,143 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,484 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,836 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,706 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,233 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,974 |
| Countries with Megacities | 0 | - | 4.99 | 266,760 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,662 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,012 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,977 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,133 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,271 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,902 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,587 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,854 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,147 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,282 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,727 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,877 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,259 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,590 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,697 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,831 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,385 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,086 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,715 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,248 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,573 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,833 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,884 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,259 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,903 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,590 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,792 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,803 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,915 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,931 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,769 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,919 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,966 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,458 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,761 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,746 |
| Biggest Cities in the World | 0 | - | 4.91 | 804,887 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,378 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,084 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,997 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,656 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,387 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,733 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,866 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,840 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,191 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,357 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,671 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,699 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,191 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,345 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,891 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,566 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,638 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 65,155 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,324 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,098 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,839 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,186 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,585 |
| Olympic Host Countries | 0 | - | 4.98 | 201,828 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,756 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,966 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,362 |
| The Only European Country ... | 0 | - | 4.91 | 218,730 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,750 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,380 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,884 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,585 |
| Countries of Africa | 0 | - | 5.00 | 2,556,728 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,369 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,796 |
| Biggest Cities in History | 0 | - | 4.52 | 90,546 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,914 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,673 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,233 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,328 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,002 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,374 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,499 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,559 |
| Largest City by Island | 0 | - | 4.87 | 72,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,623 |
| Megacities on a World Map | 0 | - | 4.98 | 256,668 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,561 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,729 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,589 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,095 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,577 |
| Former Capitals | 0 | - | 4.88 | 71,652 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,913 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,540 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,271 |
| Countries of the Middle East | 0 | - | 4.96 | 202,466 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,084 |
| Slavic Countries | 0 | - | 4.96 | 112,298 |
| African Island Countries | 0 | - | 4.96 | 102,368 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,204 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,142 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,925 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,773 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,578 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,543 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,357 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,719 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,242 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,485 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,081 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,235 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,412 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,454 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,921 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,729 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,963 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,403 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,192 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,830 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,083 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,055 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,509 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,043 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,393 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,371 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,118 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,470 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,796 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,822 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,419 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,029 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,598 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,450 |
| Monarchies of Europe | 0 | - | 4.90 | 98,778 |
| Monarchies of Asia | 0 | - | 4.97 | 71,461 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,678 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,244 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,080 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,092 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,071 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,403 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,738 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,877 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,483 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,921 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,014 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,311 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,134 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,064 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,334 |
| Countries that Start with D | 0 | - | 4.96 | 715,643 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,148 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,559 |
| Countries that Start with H | 0 | - | 4.96 | 609,021 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,862 |
| Countries that Start with J | 0 | - | 4.98 | 606,413 |
| Countries that Start with K | 0 | - | 4.97 | 820,203 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,085 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,141 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,355 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,165 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,361 |
| Countries that Start with U | 0 | - | 4.97 | 908,069 |
| Countries that Start with V | 0 | - | 4.98 | 611,691 |
| Countries that Start with F | 0 | - | 4.83 | 620,874 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,476 |
| The Only African Country ... | 0 | - | 4.99 | 129,606 |
| The Only American Country ... | 0 | - | 4.92 | 122,156 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,361 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,244 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,422 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,390 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,745 |
| European Countries with One Border | 0 | - | 4.97 | 183,674 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,429 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,747 |
| Most Populous Islands | 0 | - | 4.80 | 123,274 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,375 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,635 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,628 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 104,532 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,485 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,446 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,345 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,987 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,641 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,246 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,336 |
| Countries That Border Russia | 0 | - | 4.98 | 464,291 |
| Countries Bordering France | 0 | - | 4.83 | 404,685 |
