Madagascar is about 1.4 times bigger than California.

California is approximately 403,882 sq km, while Madagascar is approximately 587,041 sq km, making Madagascar 45% larger than California. Meanwhile, the population of California is ~39.4 million people (6.6 million fewer people live in Madagascar).
Tip: This to-scale comparison of California vs. Madagascar uses the Mercator projection, which distorts the size of regions near the poles.
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