For the data, the Demographia International Housing Affordability Survey provides affordability data for many countries and cities: http://www.demographia.com/

For the data, the Demographia International Housing Affordability Survey provides affordability data for many countries and cities: http://www.demographia.com/dhi.pdf http://www.demographia.com/dhi.pdf The top 10 least affordable with respect to median price/income ratios: China Hong Kong 18.1 Australia Sydney, NSW, 12.2 Canada Vancouver, BC 11.8 N.Z. Auckland 10.0 U.S. San Jose, CA 9.6 Australia Melbourne, VIC 9.5 U.S. Honolulu, HI 9.4 U.S. Los Angeles, CA 9.3 U.S. San Francisco, CA 9.2 U.K. Bournemouth & Dorset 8.9