Country size comparison

compared to

South Dakota is about 1.2 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 80.68% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (67.0 million fewer people live in South Dakota).
Tip: This to-scale comparison of United Kingdom vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: South Dakota vs. United Kingdom
Flip Comparison · See true size
See South Dakota on top of United Kingdom
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Quality of Life Comparison · 3 statistics
Be 69.2% more likely to be unemployed in United Kingdom
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Cost of Living Comparison · 7 categories - 2026 data
United Kingdom is 41.9% more expensive than South Dakota
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