| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,210 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,352 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,074 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,847 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,497 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,172 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,499 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,846 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,729 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,525 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,349 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,028 |
| Countries with Megacities | 0 | - | 4.99 | 266,887 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,746 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,051 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,061 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,176 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,289 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,955 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,618 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,872 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,178 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,294 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,824 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,888 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,290 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,622 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,723 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,862 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,402 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,113 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,757 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,297 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,606 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,878 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,917 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,324 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,952 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,635 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,817 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,947 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,949 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,786 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,953 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,971 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,468 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,775 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,780 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,147 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,448 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,105 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 73,007 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,677 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,399 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,742 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,900 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,888 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,272 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,404 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 149,792 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,732 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,213 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,455 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,922 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,585 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,668 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,177 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,358 |
| Biggest Cities in the United States | 0 | - | 4.94 | 986,444 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,904 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,224 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,662 |
| Olympic Host Countries | 0 | - | 4.98 | 201,891 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,796 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,007 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,573 |
| The Only European Country ... | 0 | - | 4.91 | 218,838 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,829 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,428 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,891 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,628 |
| Countries of Africa | 0 | - | 5.00 | 2,558,083 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,401 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,809 |
| Biggest Cities in History | 0 | - | 4.52 | 90,561 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,946 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,685 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,240 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,012 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,378 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,528 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,595 |
| Largest City by Island | 0 | - | 4.87 | 72,411 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,650 |
| Megacities on a World Map | 0 | - | 4.98 | 256,750 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 581,725 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,741 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,623 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,235 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,610 |
| Former Capitals | 0 | - | 4.88 | 71,659 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,168 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,619 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,287 |
| Countries of the Middle East | 0 | - | 4.96 | 202,621 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,124 |
| Slavic Countries | 0 | - | 4.96 | 112,324 |
| African Island Countries | 0 | - | 4.96 | 102,399 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,240 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,155 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 53,013 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,828 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,617 |
| All-Time Winter Olympics Medal Table | 0 | - | 4.46 | 178,552 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,760 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,764 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,281 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,531 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,117 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,288 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,446 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,481 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,935 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,752 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,991 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,483 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,222 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,855 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,107 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,086 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,528 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,091 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,402 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,514 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,147 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,488 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,847 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,834 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,434 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,053 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,619 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,471 |
| Monarchies of Europe | 0 | - | 4.90 | 98,812 |
| Monarchies of Asia | 0 | - | 4.97 | 71,478 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,689 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,263 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,102 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,121 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,112 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,430 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,757 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,895 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,604 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,943 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,036 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,374 |
| Countries that Start with A | 0 | - | 4.98 | 2,174,799 |
| Countries that Start with B | 0 | - | 4.95 | 2,305,615 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,798 |
| Countries that Start with D | 0 | - | 4.96 | 715,966 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,529 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,931 |
| Countries that Start with H | 0 | - | 4.96 | 609,242 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,140 |
| Countries that Start with J | 0 | - | 4.98 | 606,634 |
| Countries that Start with K | 0 | - | 4.97 | 820,424 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,361 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,433 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,619 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,570 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,596 |
| Countries that Start with U | 0 | - | 4.97 | 908,244 |
| Countries that Start with V | 0 | - | 4.98 | 611,811 |
| Countries that Start with F | 0 | - | 4.83 | 621,051 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,797 |
| The Only African Country ... | 0 | - | 4.99 | 129,627 |
| The Only American Country ... | 0 | - | 4.92 | 122,182 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,371 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,260 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,443 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,782 |
| European Countries with One Border | 0 | - | 4.97 | 183,717 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,473 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,770 |
| Most Populous Islands | 0 | - | 4.80 | 123,295 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,378 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,642 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,647 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,546 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,511 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,468 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,350 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,047 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,675 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,301 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,375 |
| Countries That Border Russia | 0 | - | 4.98 | 464,376 |
| Countries Bordering France | 0 | - | 4.83 | 404,758 |
