Catholicism is the dominant religion in Mexico, with about 82.7% of the population as of 2010. In recent decades the number of Catholics has been declining, due to the growth of other Christian denominations - especially various Protestant churches and Mormonism - which now constitute 9.7% of the population, and non-Christian religions. Conversion to non-Catholic denominations has been considerably slower than in Central America, and central Mexico remains one of the most Catholic areas in the world