| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,999 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,247 |
| Countries with Megacities | 0 | - | 4.99 | 246,945 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,138 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,985 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,554 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,874 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,141 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,657 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,846 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,941 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,891 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,610 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,634 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,101 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,241 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,003 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,152 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,345 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,941 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,412 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,601 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,483 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,305 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,283 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,225 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,126 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,113 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,721 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,773 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,584 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,284 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,427 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,259 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,982 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,010 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,869 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,613 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,409 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,850 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,938 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,600 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,576 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,467 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,956 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,137 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 101,564 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,122 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,657 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,696 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,953 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,872 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,060 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,497 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,534 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,590 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,060 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,173 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,756 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,693 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,010 |
| Olympic Host Countries | 0 | - | 4.98 | 198,905 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,575 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,598 |
| The Only European Country ... | 0 | - | 4.91 | 213,862 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,166 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,554 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,837 |
| Top Rice-Producing Countries | 0 | - | 4.95 | 98,417 |
| Top Chocolate Growing Countries | 0 | - | 4.93 | 61,289 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,651 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,736 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,808 |
| Countries of Africa | 0 | - | 5.00 | 2,508,146 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,655 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,090 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,837 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,490 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,862 |
| Largest City by Island | 0 | - | 4.87 | 71,050 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,395 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,556 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,629 |
| Megacities on a World Map | 0 | - | 4.98 | 250,986 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,310 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,802 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,873 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,778 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,158 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,882 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,356 |
| Countries of the Middle East | 0 | - | 4.96 | 198,944 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,274 |
| Slavic Countries | 0 | - | 4.96 | 110,865 |
| African Island Countries | 0 | - | 4.96 | 100,797 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,462 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,024 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,790 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,722 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,502 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,126 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,805 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,253 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,408 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,728 |
| Ten Highest HDI Countries in Africa | 0 | - | 4.69 | 67,736 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,650 |
| Ten Lowest HDI Countries in Europe | 0 | - | 4.42 | 70,071 |
| Boundary Waters | 0 | - | 4.92 | 88,045 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,291 |
| Most Populous Islands | 0 | - | 4.79 | 121,996 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,202 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,407 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,147 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,049 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,352 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,570 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,073 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,517 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,301 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,300 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,215 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,369 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,351 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,374 |
| Monarchies of Europe | 0 | - | 4.90 | 97,329 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,830 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,801 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,909 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,942 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,375 |
| Countries that Start with D | 0 | - | 4.96 | 701,577 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,561 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,833 |
| Countries that Start with H | 0 | - | 4.96 | 597,994 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,307 |
| Countries that Start with J | 0 | - | 4.98 | 596,057 |
| Countries that Start with K | 0 | - | 4.97 | 809,435 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,915 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,779 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,587 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,571 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,248 |
| Countries that Start with U | 0 | - | 4.97 | 899,947 |
| Countries that Start with V | 0 | - | 4.98 | 605,119 |
| Countries that Start with F | 0 | - | 4.83 | 612,204 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,406 |
| The Only African Country ... | 0 | - | 4.99 | 128,369 |
| The Only American Country ... | 0 | - | 4.92 | 120,765 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,782 |
| 10 Southernmost Countries in Europe | 0 | - | 4.02 | 70,124 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,256 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,046 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,405 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,057 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,033 |
| European Countries with One Border | 0 | - | 4.97 | 181,640 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,535 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,116 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,922,975 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,917 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,708 |
| Biggest City by Region | 0 | - | 4.50 | 35,997 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,904 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,539 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,120 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,486 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,600 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,019 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,222 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,921 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,804 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,259 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,820 |
| Landlocked Countries | 0 | - | 4.99 | 413,655 |
| UK Immigration by Country | 0 | - | 4.94 | 139,653 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,568 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,288 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,654 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,816 |
| Central American Countries | 0 | - | 4.98 | 155,067 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,667 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,898 |
