South Africa is about 22 times bigger than Croatia.

Croatia is approximately 56,594 sq km, while South Africa is approximately 1,219,090 sq km, making South Africa 2,054% larger than Croatia. Meanwhile, the population of Croatia is ~4.2 million people (53.3 million more people live in South Africa).
Tip: This to-scale comparison of Croatia vs. South Africa uses the Mercator projection, which distorts the size of regions near the poles.
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