Industrial Revolution in Scotland by 1800. In 1800, 17 per cent of people in Scotland lived in towns of more than 10,000 inhabitants. By 1850 it was 32 per cent and by 1900 it was 50 per cent. By 1900 one in three of the entire population were in the four cities of Glasgow, Edinburgh, Dundee and Aberdeen. Glasgow emerged as the largest city. Its population in 1780 was 43,000, reaching 147,000 by 1820; by 1901 it had grown to 762,000. This was due to a high birth rate and immigration from the countryside and particularly from Ireland; but from the 1870s there was
Religion in Scotland other than the Church of Scotland were: The second largest Presbyterian denomination in Scotland is the Free Church of Scotland with 10,896 people identifying as being of that church at the 2011 census. According to the Free Church, its average weekly attendance at a worship service is around 13,000. According to the 2016 Church Census, Free Church attendance was around 10,000 per week and amounted to 7% of all Presbyterian church attendance in Scotland. As of 2016 there were 102 Free Church congregations, organized into six presbyteries. A significant proportion of Free Church activity is to be found in the