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Geography

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Europe Circle Population Guess Challenge

Directions

You will be shown 10 different circles of radius 50-500 km. Using the slider (or manually typing into the box below the slider), guess the European population (based on European population density estimates) contained within each circle then click SUBMIT for each one.

PLEASE NOTE: ALL of Turkey is included in counting population (not just European portion), and the portion of Russia west of 61.5 degrees E (just east of Chelyabinsk). Nothing outside Europe (such as Africa or middle east other than Turkey) is included toward the population count within a circle.

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