Indonesia is constitutionally a secular state and the first principle of Indonesia's philosophical foundation, Pancasila, is "belief in the one and only God". A number of different religions are practised in the country, and their collective influence on the country's political, economic and cultural life is significant. The Indonesian Constitution guarantees freedom of religion. However, the government recognises only six official religions (Islam, Protestantism, Catholicism, Hinduism, Buddhism and Confucianism). Although based on data collected by the Indonesian Conference on Religion and Peace (ICRP), there are about 245 non-official religions in Indonesia. Indonesian law requires that every Indonesian citizen hold an identity card that identifies that person with one of these six relig