Do abbreviations or alternate spellings count?

Yes. Most quizzes allow common abbreviations, alternate spellings, and short forms. Try typing just the first few letters — if it matches, it will autofill.

North America

Play Now - Register For Free

Canada Circle Radius Population Challenge

Directions

The object of this quiz is to adjust each circle’s radius so it contains the target population shown at the right. When you click Start you will be shown a marker on a random Canada dissemination area (there are over 55K dissemination areas across Canada, the smallest census tabulation area). Also you will see an adjustable circle of radius 100 km to start. Adjust the circle’s radius by dragging it until it contains the target number of people shown – this target will be between 10K and 5 million people. Then click submit. You are scored on how close your circle’s population is to the target. Circle population is tallied by totaling all output areas within that circle.

pause

Favorite

continue

Quiz Takers

Other Quizzes You May Like:

US Circle Population Guess Challenge

You will be shown 10 different circles of radius 25-200 miles. Using the slider (or manually typing into the box below the slider), guess the population contained within each circle then click SUBMIT for each one. Populations are based on the portion of 80K+ US Census Tracts contained within the circle. Canada and Mexico populations are NOT counted toward the total.

305

US 20 Circle Population Challenge

The object of this quiz is to place 20 circles of radius 100 miles on the map so that they contain the largest total population.

When you begin you'll be given a 100-mile radius circle centered on the map. Move it using the mouse and click SUBMIT. You will be given a score for that circle corresponding to the total population among all US census tracts within it (there are about 85K total US census tracts averaging about 4K people each). Try to complete all 20 circles with the highest total score.

Any INTERSECTING areas are only counted one time, so no census tract will be counted more than once.

230

US 10 Circle Population Challenge

The object of this quiz is to place 10 circles of radius 100 miles on the map so that they contain the largest total population.

When you begin you'll be given a 100-mile radius circle centered on the map. Move it using the mouse and click SUBMIT. You will be given a score for that circle corresponding to the total population among all US census tracts within it (there are about 85K total US census tracts averaging about 4K people each). Try to complete all 10 circles with the highest total score.

Any INTERSECTING areas are only counted one time, so no census tract will be counted more than once.

494

1 Comment

Newest

Oldest Most Voted

Inline Feedbacks

View all comments

nothankyoupls

1 month ago

931 points, first try, not Canadian