For many years Roman Catholicism was the official religion of Haiti. Its official status was repealed with the enactment of the 1987 constitution; however, neither the government nor the Vatican has renounced the 1860 Concordat that serves as a basis for relations between the two. In many ways Roman Catholicism retains a position of honor, but Haitians are guaranteed the freedom to practice all religions by the constitution. According to 1998 estimates, Roman Catholics represent about 80% of the population. Most of the remainder belong to various Protestant denominations, the largest being the Baptist (10%) and Pentecostal (4%) churches. Other significant denominations include Methodists, Episcopalians, Jehovah's Witnesses, Mormons, Adventists, and Orthodox. Other religious groups include Jews, Muslims, Rastafarians, and Baha'is. Voodoo, a traditional religion partially derived from West African beliefs, is still widely practiced, often in tandem with Christianity. Voodoo became an officially recognized church in 2001 with the establishment of the Eglise Voudou d'Ayiti (the Voodoo Church of Haiti) and has had a growing attendance since then.