Frequently Asked Questions
How does the Which City Is Bigger quiz work?
Each round shows you two cities. Click the one you think has more people. You'll see the actual populations after each pick, plus a fun fact. Try to build a streak!
Is this a free city population quiz?
Yes — completely free. No signup, no login, no ads blocking the game. Works on any device.
What kind of cities are in the quiz?
The quiz includes US city comparisons (like Houston vs Austin, Phoenix vs Las Vegas), NYC borough matchups (Brooklyn vs Manhattan), and global cities (Tokyo vs Delhi, Paris vs London). Many answers are surprising!
Are the population numbers accurate?
US city figures use city-proper population data (US Census). World city figures use metro/urban area populations. We note which is used in each fact.
Which US city surprises people the most?
San Antonio is consistently larger than Dallas by city proper population, and Jacksonville, Florida is one of the largest cities in America by population — most people have no idea!
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