Indonesia is a country known for its diverse religious landscape. According to the most recent national census in 2020, approximately 86.7 percent of the population identifies as Muslim, making Islam the main religion in Indonesia.

However, Indonesia is also home to a significant minority of other religious groups. Approximately 9.4 percent of the population is Protestant, 3 percent is Catholic, and 1.7 percent is Hindu.

Islam was first introduced to Indonesia in the 13th century, and it has since become the dominant religion in the country. The majority of Muslims in Indonesia are Sunni, although there are also significant numbers of Shia Muslims in the country.

Christianity also has a long history in Indonesia, with Dutch and Portuguese missionaries introducing the religion to the archipelago in the 16th century. Today, Protestantism is the largest Christian denomination in Indonesia, with the majority of Indonesian Christians belonging to this branch of Christianity.

Catholicism is also a significant minority religion in Indonesia, with a large number of Catholic Indonesians residing in regions with a historically strong Catholic presence, such as Flores and East Nusa Tenggara.

Hinduism has a long history in Indonesia, especially on the island of Bali, where the majority of the population practices Balinese Hinduism. Hinduism was introduced to Indonesia by Indian traders and merchants in the early centuries CE, and it has since become an integral part of Indonesian culture and society.

In addition to the main religions of Islam, Christianity, and Hinduism, Indonesia is also home to significant populations of Buddhists, Confucians, and followers of indigenous faiths.

Overall, Indonesia's religious diversity is a testament to the country's rich cultural heritage and the tolerance and harmony that exists among different religious communities in the archipelago.