| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,921 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,472 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,200 |
| Countries with Megacities | 0 | - | 4.99 | 246,885 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,104 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,961 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,517 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,850 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,043 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,628 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,840 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,932 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,884 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,481 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,605 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,618 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,079 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,980 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,143 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,335 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,932 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,402 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,592 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,295 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,570 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,215 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,115 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,098 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,959 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,001 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,854 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,990 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,399 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,847 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,935 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,596 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,566 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,378 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,951 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,130 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,455 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,116 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,649 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,679 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,929 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,859 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,038 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,488 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,518 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,581 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,055 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,163 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,746 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,684 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,990 |
| Olympic Host Countries | 0 | - | 4.98 | 198,897 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,815 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,563 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,548 |
| The Only European Country ... | 0 | - | 4.91 | 213,839 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,148 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,537 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,618 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,646 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,789 |
| Countries of Africa | 0 | - | 5.00 | 2,507,909 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,653 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,087 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,466 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,854 |
| Largest City by Island | 0 | - | 4.87 | 71,046 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,552 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,502 |
| Megacities on a World Map | 0 | - | 4.98 | 250,966 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,257 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,798 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,867 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,762 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,148 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,774 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,332 |
| Countries of the Middle East | 0 | - | 4.96 | 198,926 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,268 |
| Slavic Countries | 0 | - | 4.96 | 110,859 |
| African Island Countries | 0 | - | 4.96 | 100,792 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,440 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,017 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,660 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,492 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,112 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,797 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,629 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,762 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,165 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,577 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,276 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,416 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,247 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,507 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,726 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,815 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,285 |
| Most Populous Islands | 0 | - | 4.79 | 121,992 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,202 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,142 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,039 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,324 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,565 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,032 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,508 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,297 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,289 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,201 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,341 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,368 |
| Monarchies of Europe | 0 | - | 4.90 | 97,314 |
| Monarchies of Asia | 0 | - | 4.97 | 70,603 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,825 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,776 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,766 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,837 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,281 |
| Countries that Start with D | 0 | - | 4.96 | 701,518 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,483 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,748 |
| Countries that Start with H | 0 | - | 4.96 | 597,945 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,247 |
| Countries that Start with J | 0 | - | 4.98 | 596,008 |
| Countries that Start with K | 0 | - | 4.97 | 809,385 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,858 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,711 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,527 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,491 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,197 |
| Countries that Start with U | 0 | - | 4.97 | 899,912 |
| Countries that Start with V | 0 | - | 4.98 | 605,085 |
| Countries that Start with F | 0 | - | 4.83 | 612,173 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,315 |
| The Only African Country ... | 0 | - | 4.99 | 128,367 |
| The Only American Country ... | 0 | - | 4.92 | 120,761 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,778 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,250 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,043 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,394 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,042 |
| European Countries with One Border | 0 | - | 4.97 | 181,628 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,522 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,109 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,918,280 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,913 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,703 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,901 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,117 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,472 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,587 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,018 |
| 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 | 113,794 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,257 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,818 |
| Landlocked Countries | 0 | - | 4.99 | 413,591 |
| UK Immigration by Country | 0 | - | 4.94 | 139,641 |
| Countries with Most Grand Slam Tennis Titles | 0 | - | 4.41 | 57,567 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,283 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 94,650 |
| Countries with the Most Golf Courses | 0 | - | 4.55 | 55,811 |
| Central American Countries | 0 | - | 4.98 | 155,054 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,662 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,870 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,014 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,268 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,863 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,046 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,920 |
| Countries that Export the Most Football Players | 0 | - | 4.43 | 56,970 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,261 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,364 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,251 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,088 |
