At the same time, "New US homes today are 1,000 square feet larger than in 1973 and living space per person has nearly doubled:"
<a href="http://www.aei.org/publication/new-us-homes-today-are-1000-square-feet-larger-than-in-1973-and-living-space-per-person-has-nearly-doubled/" rel="nofollow">http://www.aei.org/publication/new-us-homes-today-are-1000-s...</a>