Indonesia is about 1.2 times bigger than Iran.

Iran is approximately 1,648,195 sq km, while Indonesia is approximately 1,904,569 sq km, making Indonesia 16% larger than Iran. Meanwhile, the population of Iran is ~86.8 million people (190.6 million more people live in Indonesia).
This to-scale comparison of Iran vs. Indonesia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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