They do have 1,000 million people and counting. 64million is only 6.4% That isn't that high in reality. Give China a break. USA has a rental vacancy rate of 9.7% and an owner vacancy rate of 2.6%. So combined vacancy rate of 12.3%. So yeah, US's is higher. http://www.census.gov/hhes/www/housing/hvs/hvs.html