Algeria is about 1.9 times bigger than Chad.

Chad is approximately 1,284,000 sq km, while Algeria is approximately 2,381,740 sq km, making Algeria 85% larger than Chad. Meanwhile, the population of Chad is ~18.0 million people (26.2 million more people live in Algeria).
This to-scale comparison of Chad vs. Algeria uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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