The Philippines is a secular state.In 2013, Catholic Church data in the Philippines showed that about 79% of the population professed in Catholicism. Roughly 37% of Catholics regularly hear Mass and 29% consider themselves very religious. Protestants are estimated to be more than 4% of the total population. More than 3% of the total population are members of Iglesia ni Cristo and the Philippine Independent Church form less than 3%.
Islam comprises more than 10% of the total population according to the National Commission on Muslim Filipinos (NCMF) in 2011 and a majority of whom live in the Bangsamoro region. Most of them practice Sunni Islam under the Shafi'i school.
An unknown number of Filipinos are irreligious but may form as high as 10% of the population.About 9.2% of Catholics think of leaving the church.[405] An estimated 2% of the total population practice Philippine traditional religions.[395][406] Buddhism is practiced by around 1%.The remaining 2% of the population is divided between a number of religious groups including Hindus, Jews, and Baha'is.