“…In Australia, typical single-family residential lots decreased from 11,000 sq ft (1020m 2 ) in the 1930s, to 8,000 sq ft (740m 2 ) in the 1950s, 6,000 sq ft (560m 2 ) in the 1970s, and down to 4,500 sq ft (420m 2 ) in the 2000s, with some single family residential 'cottage' lots below 2,500 sq ft (230m 2 ) (Kupke et al 2011). In the US, lot shrinkage has not been as dramatic, but has nonetheless been decreasing since reaching a maximum average of 14,000 sq ft (1,300m 2 ) in the 1990s (Sarkar 2011).…”