Equal population projections of the 16,975 enumeration districts of the 1981 census in London - software by author on an Archimedes computer.
See how the Scots and Welsh dominate the West end of the city in unusual numbers, while those from other countries are, by 1981, more spread to the East. The Irish immigrants have tended to fill the hole left between the patterns of other nations. North and South of the border are differentiated here to illustrate how, even within similar groups there can be significant geographical diversity.
Second print from a series of three.