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
Scotland in the Middle Ages and industry remained relatively undeveloped before the end of the Middle Ages and, although there were extensive trading networks based in Scotland, while the Scots exported largely raw materials, they imported increasing quantities of luxury goods, resulting in a bullion shortage and perhaps helping to create a financial crisis in the fifteenth century. There are almost no written sources from which to re-construct the demography of early Medieval Scotland. Estimates have been made of a population of 10,000 inhabitants in Dál Riata and 80–100,000 for Pictland. It is likely that the 5th and 6th centuries saw higher mortality rates due