South Africa is about 4.1 times bigger than Arizona.

Arizona is approximately 294,312 sq km, while South Africa is approximately 1,219,090 sq km, making South Africa 314% larger than Arizona. Meanwhile, the population of Arizona is ~6.4 million people (51.1 million more people live in South Africa).
Tip: This to-scale comparison of Arizona vs. South Africa uses the Mercator projection, which distorts the size of regions near the poles.
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