In this population quiz, you’ll be shown two countries—and your task is to pick the one with more people. Can you get them all right?

Will you be able to discern which country is more populated? Russia or Japan? Mexico or Brazil? South Korea or North Korea? This quiz is simple in concept, but surprisingly tough in practice.
You’ll see two countries side by side, and all you have to do is pick the one with the larger population. Easy? Not always. Some pairs are obvious – others will push your knowledge of global demographics to the limit.
It’s a fun, addictive way to test how well you know the world beyond maps and capitals. Play solo or challenge your friends. How many correct picks can you make before getting stumped?
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