Sudan is about 13 times bigger than Bangladesh.

Bangladesh is approximately 148,460 sq km, while Sudan is approximately 1,861,484 sq km, making Sudan 1,154% larger than Bangladesh. Meanwhile, the population of Bangladesh is ~175.7 million people (124.0 million fewer people live in Sudan).
Tip: This to-scale comparison of Bangladesh vs. Sudan uses the Mercator projection, which distorts the size of regions near the poles.
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