Indonesia, a Nations Online country profile of the world's largest archipelago with a population of 281.24 million, Indonesia ranks number 4 in the list of top most populous countries in the world. Indonesia is a secular democratic country with a Muslim majority. The Indonesian constitution guarantees the freedom of worship to all Indonesians, regardless of religion or belief. The Indonesian government recognizes six official religions: Islam, Protestantism, Catholicism, Hinduism, Buddhism, and Confucianism. There are also a number of minor religions, such as Sikhism and ancient indigenous belief systems.