| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,485 |
| Countries with Megacities | 0 | - | 4.99 | 195,236 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,879 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 97,065 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,984 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,929 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 245,685 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,304,305 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,921 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,540 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,803 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,387 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,574 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,569 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,406 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,028 |
| Countries of Europe by Population | 0 | - | 4.98 | 125,001 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,357 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,860 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,633 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,599 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 204,262 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,016 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,288 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,759 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,397 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,641 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 143,013 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,399 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,327 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,137 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,805 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,716 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 156,290 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 80,084 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,294 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,108 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,330 |
| Countries by Sports League Revenue | 0 | - | 4.87 | 43,182 |
| Biggest Cities in the World | 0 | - | 4.89 | 680,708 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 66,573 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,583 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 50,439 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,515 |
| Biggest City by Time Zone | 0 | - | 4.84 | 53,727 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,944 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 168,003 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,190 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 94,991 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 63,934 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 70,557 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,524 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,095 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,081 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,772 |
| Olympic Host Countries | 0 | - | 4.98 | 160,910 |
| 10 Easternmost Countries in Europe | 0 | - | 4.84 | 91,179 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 230,236 |
| The Only European Country ... | 0 | - | 4.94 | 176,453 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,516 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,439 |
| Most Populous Country by First Two Letters | 0 | - | 4.75 | 66,562 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,610 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 368,223 |
| Biggest Cities in the United States | 0 | - | 4.92 | 810,250 |
| 100 Biggest Metro Areas in the USA | 0 | - | 4.98 | 321,372 |
| Countries of Africa | 0 | - | 5.00 | 2,147,522 |
| Most Populous Countries by Year | 0 | - | 4.79 | 92,787 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,062 |
| Boundary Waters | 0 | - | 4.93 | 80,548 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,011 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,336 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,707 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,569 |
| Most Populous World Capitals | 0 | - | 4.92 | 147,032 |
| Biggest European Cities by Century | 0 | - | 4.98 | 117,895 |
| Megacities on a World Map | 0 | - | 4.98 | 219,423 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,507 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,885 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 83,350 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,329 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,908 |
| Countries of the Middle East | 0 | - | 4.96 | 171,783 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,965 |
| Slavic Countries | 0 | - | 4.96 | 99,927 |
| African Island Countries | 0 | - | 4.96 | 88,744 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,019 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,210 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,920 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,472 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 126,143 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,718 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,787 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,027 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,540 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,664 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,803 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,135 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,187 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,223 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,019 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 509,949 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,173,939 |
| Countries of North America Quiz | 0 | - | 5.00 | 871,644 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,858 |
| Most Populous Islands | 0 | - | 4.71 | 112,202 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,965 |
| Most Populous Countries in 1950 | 0 | - | 4.55 | 70,687 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 30,712 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,782 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,943 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,144 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,195 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,068 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,984 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 205,895 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,565,040 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 318,885 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,120 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,847 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,183 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,569 |
| Monarchies of Europe | 0 | - | 4.88 | 86,448 |
| Monarchies of Asia | 0 | - | 4.95 | 53,700 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 50,381 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,257 |
| Countries that Start with A | 0 | - | 4.98 | 1,930,758 |
| Countries that Start with B | 0 | - | 4.96 | 2,069,385 |
| Countries that Start with C | 0 | - | 4.96 | 1,636,171 |
| Countries that Start with D | 0 | - | 4.96 | 586,349 |
| Countries that Start with E | 0 | - | 4.95 | 1,223,560 |
| Countries that Start with G | 0 | - | 4.97 | 1,342,983 |
| Countries that Start with H | 0 | - | 4.95 | 499,978 |
| Countries that Start with I | 0 | - | 4.92 | 1,154,340 |
| Countries that Start with J | 0 | - | 4.98 | 503,484 |
| Countries that Start with K | 0 | - | 4.97 | 706,376 |
| Countries that Start with L | 0 | - | 4.98 | 964,765 |
| Countries that Start with N | 0 | - | 4.93 | 991,261 |
| Countries that Start with P | 0 | - | 4.94 | 1,093,960 |
| Countries that Start with S | 0 | - | 4.98 | 1,595,620 |
| Countries that Start with T | 0 | - | 4.88 | 903,890 |
| Countries that Start with U | 0 | - | 4.96 | 816,222 |
| Countries that Start with V | 0 | - | 4.98 | 546,860 |
| Countries that Start with F | 0 | - | 4.83 | 532,645 |
| Countries that Start with M | 0 | - | 4.97 | 1,246,848 |
| The Only African Country ... | 0 | - | 4.99 | 104,671 |
| The Only American Country ... | 0 | - | 4.94 | 109,017 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,243 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,575 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,928 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,266 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,836 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,595 |
| European Countries with One Border | 0 | - | 4.96 | 149,725 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 143,621 |
| Asian Countries with the Fewest Borders | 0 | - | 4.82 | 87,791 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,675 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,952 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,634 |
| Population Trivia | 0 | - | 4.35 | 26,244 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,374 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,926 |
| Biggest City by Region | 0 | - | 4.49 | 33,482 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,129 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,439 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,550 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,804 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,563 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,255 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 75,153 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 302,056 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,487 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 46,872 |
| Most Populous Countries in 1800 | 0 | - | 4.34 | 38,250 |
| World Capitals Quiz | 0 | - | 5.00 | 4,468,401 |
| Countries on the Equator | 0 | - | 4.83 | 133,316 |
| Members of the Arab League | 0 | - | 4.83 | 59,828 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,515 |
| Himalayan Countries | 0 | - | 4.95 | 102,903 |
| Andean Countries | 0 | - | 4.90 | 57,190 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 58,036 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,668 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,026 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,643 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,837 |
| Danube Countries | 0 | - | 4.97 | 56,407 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,643 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,534 |
| Countries with the Worst Passports | 0 | - | 4.87 | 48,910 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,548 |
| European Landlocked Countries | 0 | - | 4.99 | 114,902 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,882 |
| Countries with the Most Species | 0 | - | 4.99 | 89,117 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,945 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,492 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,855 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,851 |
| UK Immigration by Country | 0 | - | 4.95 | 124,399 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,177 |
