In Europe the Christian population is dying faster than it is being replaced. In North America, the number of Christian deaths will begin to exceed the number of births to Christian parents by around 2050.
The polarizing campaign gave hard-line Islamic groups a national stage and has undermined Indonesia's reputation for practicing a moderate form of Islam.
Father Ignatius Rai, pastor of the cathedral parish, said "unknown persons" broke into the church premises and started a fire that partially damaged the priest's residence and the western part of the church.
A total of 40 percent of surveyed countries registered "high" or "very high" levels of overall restrictions, according to Pew Research Center’s annual study on global restrictions on religion.