In terms of religious affiliation, 96.1% of the population is Romanian Orthodox, 1.2% is Roman Catholic, 0.5% is Muslim, and 0.4% is Romanian Greek Catholic. Despite this, only 18% of the population, of any religion, attends a place of worship once a week or more. The life expectancy of residents of Bucharest in 2015 was 77.8 years old, which is 2.4 years above the national average.