Western Sahara is about 4.6 times smaller than South Africa.

South Africa is approximately 1,219,090 sq km, while Western Sahara is approximately 266,000 sq km, making Western Sahara 21.82% the size of South Africa. Meanwhile, the population of South Africa is ~57.5 million people (56.9 million fewer people live in Western Sahara).
This to-scale comparison of South Africa vs. Western Sahara uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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