Complex sentence: Compared to Inner London (22,438 people per sq mile), Glasgow has half the population density of the Capital (10,058), however in 1931, the density was 16,011 indicating the'clearances' of the inner city to the suburbs and new towns.
Split into simpler sentences: Compared to Inner London (22,438 people per sq mile), Glasgow has half the population density (10,058). However, in 1931, the density was 16,011, prior to the'clearances' of the inner city to the suburbs and new towns.