Religion in Scotland 1879. Over 8,000 Jews were resident in Scotland in 1903. Refugees from Nazism and the Second World War further augmented the Scottish Jewish community, which has been estimated to have reached 80,000 in the middle of the century. According to the 2001 census, approximately 6,400 Jews lived in Scotland, most of whom were in Glasgow (about 5,000) and the next largest community in Edinburgh (about 1,000). By the 2011 census this had fallen to 5,887. Scotland's Jewish population continues to be predominantly urban, with 80 per cent resident in Glasgow. As with Christianity, the practising Jewish population continues to fall,
Demography of Scotland Fife indicate that arable land spread at the expense of forest from about 2000 BC until the period of the first century AD Roman advance into lowland Scotland, suggesting an expanding settled population. Thereafter, there was re-growth of birch, oak and hazel for a period of five centuries, suggesting that the Roman invasions had a negative impact on the native population. 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, which was probably the largest region.