By the time of Manalo's death in 1963, INC had become a nationwide church with 1,250 local chapels and 35 large concrete cathedrals. As his successor, Manalo's son, Eraño G. Manalo, led a campaign to grow and internationalize the church until his death on August 31, 2009, whereupon his son, Eduardo V. Manalo, likewise succeeded him as Executive Minister. In 2015, the Philippine census by the Philippine Statistics Authority found that 2.64% of the population in the Philippines are affiliated with the Iglesia ni Cristo, making it the religion with the third largest number of adherents, with Islam at 6.01% and Catholicism at 78.65%.