El Shaddai, a local charismatic lay movement affiliated with the Roman Catholic Church, has grown rapidly in the last decade and has a reported 8 million members worldwide.El Shaddai's headquarters in Manila claims a domestic membership of 6 million, or 7.5 percent of the population, although this cannot be corroborated.
The Government does not restrict adherents of other religions in practicing their faith.
The law requires organized religions to register with the Securities and Exchange Commission (SEC) and with the Bureau of Internal Revenue (BIR) to establish tax-exempt status.
Other Christian denominations together comprise 11.6 percent of the population.
Muslims total 5 percent of the population and Buddhists 0.08 percent.
Muslims are concentrated in five provinces in the Autonomous Region in Muslim Mindanao (ARMM), which includes western Mindanao and the islands to the south.
The only provinces in which they represent the majority are Maguindanao, Lanao del Sur, Basilan, Sulu, and Tawi-Tawi.
For SEC registration, religious groups must submit their articles of faith and existing bylaws.
The law does not specify penalties for failure to register with the SEC.
Many of these "converts of convenience" remain Muslims upon their return to the country and are known collectively as "Balik Islam" ("return to Islam").