Tanzania is about 2.5 times smaller than Algeria.

Algeria is approximately 2,381,740 sq km, while Tanzania is approximately 947,300 sq km, making Tanzania 39.77% the size of Algeria. Meanwhile, the population of Algeria is ~47.4 million people (23.1 million more people live in Tanzania).
Tip: This to-scale comparison of Algeria vs. Tanzania uses the Mercator projection, which distorts the size of regions near the poles.
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