More than 50% of the people are Muslim in which of the following Southeast Asian nations?

Indonesia

Explanation:

If we count it based on the number of Muslim citizens alone, Indonesia is regarded as the largest Muslim country in the world. Even larger than any country on the middle east.

Islamic teaching came into Indonesia around in 13th centuries through middle eastern traders . Today,  Indonesia has around 267 million citizens ad  More than 80% of Indonesian citizens are Muslims.

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answer at the divergent plate boundary in the middle of the ocean;