| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,707 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,443 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,188 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,445 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,380 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,732 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,653 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,913 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,351 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,747 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,057 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,700 |
| Countries with Megacities | 0 | - | 4.99 | 247,751 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,550 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,237 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,953 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,181 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,070 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,334 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,069 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,575 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,857 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,767 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,439 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,220 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,532 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,102 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,524 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,719 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,472 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,491 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,652 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,271 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,289 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,987 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,227 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,201 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,035 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,101 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,886 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,212 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,543 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,015 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,184 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,649 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,904 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,024 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,129 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,750 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,765 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 114,362 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,337 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,772 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,228 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,194 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,866 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,969 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,465 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,095 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,756 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,737 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,671 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,234 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,773 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,196 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,291 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,845 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,846 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,354 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,196 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,545 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,321 |
| Olympic Host Countries | 0 | - | 4.98 | 199,068 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,940 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,815 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,399 |
| The Only European Country ... | 0 | - | 4.91 | 214,271 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,448 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,817 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,337 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,873 |
| Countries of Africa | 0 | - | 5.00 | 2,512,215 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,631 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,803 |
| Biggest Cities in History | 0 | - | 4.52 | 89,219 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,162 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,229 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,670 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,689 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,120 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,871 |
| Biggest Cities by Language | 0 | - | 4.96 | 241,290 |
| Largest City by Island | 0 | - | 4.87 | 71,164 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,699 |
| Megacities on a World Map | 0 | - | 4.98 | 251,420 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,997 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,894 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,993 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,044 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,337 |
| Former Capitals | 0 | - | 4.88 | 71,195 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,133 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,690 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,447 |
| Countries of the Middle East | 0 | - | 4.96 | 199,232 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,417 |
| Slavic Countries | 0 | - | 4.96 | 110,990 |
| African Island Countries | 0 | - | 4.96 | 100,910 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,596 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,559 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,225 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,192 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,291 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 177,793 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,700 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,931 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,633 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,334 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,928 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,818 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,845 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,924 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,216 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,277 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,437 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,679 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,415 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,525 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,375 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,608 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,240 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,689 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,621 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,582 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,679 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,401 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,475 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,336 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,304 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,491 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,436 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,452 |
| Monarchies of Europe | 0 | - | 4.90 | 97,456 |
| Monarchies of Asia | 0 | - | 4.97 | 70,674 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,872 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,621 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,451 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,327 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,634 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,611 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,751 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,531 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,081 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,820 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,069 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,222 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,940 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,030 |
| Countries that Start with D | 0 | - | 4.96 | 702,710 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,916 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,308 |
| Countries that Start with H | 0 | - | 4.96 | 598,892 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,413 |
| Countries that Start with J | 0 | - | 4.98 | 596,942 |
| Countries that Start with K | 0 | - | 4.97 | 810,277 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,988 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,879 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,592 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,064 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,007 |
| Countries that Start with U | 0 | - | 4.97 | 900,590 |
| Countries that Start with V | 0 | - | 4.98 | 605,697 |
| Countries that Start with F | 0 | - | 4.83 | 612,980 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,573 |
| The Only African Country ... | 0 | - | 4.98 | 128,453 |
| The Only American Country ... | 0 | - | 4.92 | 120,882 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,821 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,308 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,139 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,561 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,200 |
| European Countries with One Border | 0 | - | 4.97 | 181,782 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,683 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,472 |
| Most Populous Islands | 0 | - | 4.79 | 122,062 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,216 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,428 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,908 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,973 |
| Biggest British Empire Countries | 0 | - | 4.73 | 98,776 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,947 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,889 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,899 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,525 |
| Countries That Border Russia | 0 | - | 4.98 | 459,525 |
| Countries Bordering France | 0 | - | 4.83 | 400,194 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,381 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,587 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,172 |
