Christianity in Indonesia
Christianity is Indonesia's second-largest religion, after Islam. Indonesia also has the second-largest Christian population in Southeast Asia after the Philippines, the largest Protestant population in Southeast Asia, and the fourth-largest Christian population in Asia after the Philippines, China and India. Indonesia also has the largest Christian population in the Muslim world, followed by Egypt. Indonesia's 29,1 million Christians constituted 10,49% of the country's population in 2022, with 7,43% Protestant (20.6 million) and 3,06% Catholic (8.5 million). Some provinces in Indonesia are majority Christian. In Indonesia, the word Kristen (Christian) refers to Protestantism, while Catholicism is referred to as Katholik. In recent times, the rate of growth and spread of Christianity has increased, especially among the Chinese minority. Christianity is not evenly spread throughout the archipelago. Eight Indonesian provinces that have a majority of the population identifying as Christian are Central Papua, Highland Papua, Papua, South Papua, Southwest Papua, West Papua, East Nusa Tenggara, and North Sulawesi. Christianity by Province in Indonesia 2018 Among Indonesian provinces in 2018, Sumatra's northernmost province, Aceh, reported the fifth-smallest number of Christians (69,401) or 0.024% of Christians within Indonesia. Aceh had the second-smallest percentage (among religions reported in the province) of Christians (1.19%), effectively tying with Gorontalo for the smallest percentage of Catholics (0.07%) and including the third-smallest percentage of Protestants (1.12%). Aceh operates Sharia law and all regencies are 99%+ Muslim, with the exception of Aceh Singkil (11.2% Christian) and Southeast Aceh (18.7% Christian). Both areas' Christian populations consist of ethnic groups whose homelands lie outside Aceh—in Aceh Singkil, Christians are mostly Pakpak people, whose homeland is to the east of Aceh Singkil, in Pakpak Bharat Regency, of North Sumatra, as well as a small population of Nias people, on the Banyak Islands; in Southeast Aceh, the Christian population consists of Karo people, whose homeland lies to the south, in the Karo Regency of North Sumatra.