Demographic history of Scotland towns had populations of over 10,000, with the capital, Edinburgh, the largest with 57,000 inhabitants. The Highland and Lowland Clearances led to the depopulation of rural areas, but overall the population of Scotland grew rapidly in the late eighteenth and nineteenth centuries. By 1801 it had reached 1,608,420 and it grew to 2,889,000 in 1851 and 4,472,000 in 1901. By the beginning of the twentieth century, one in three lived in the four cities of Glasgow, Edinburgh, Dundee and Aberdeen. Glasgow emerged as the largest city, with a population of 762,000 by 1901, making it "the Second City of the
Scotland in the modern era were completely closed down. A new service-oriented economy emerged to replace traditional heavy industries. This included a resurgent financial services industry and the electronics manufacturing of Silicon Glen. In the 20th century existing Christian denominations were joined by other organisations, including the Brethren and Pentecostal churches. Although some denominations thrived, after World War II there was a steady overall decline in church attendance and resulting church closures for most denominations. In the 2011 census, 53.8% of the Scottish population identified as Christian (declining from 65.1% in 2001). The Church of Scotland is the largest religious grouping in Scotland, with 32.4%