According the index by Wells Fargo and the National Association of Home Builders, that's an improvement over a year ago, when less than 2% of houses were affordable.
Even worse is Napa, Calif., wine country, USA. Only 3.3% of the homes sold there in the third quarter could be afforded by residents earning the median household income ($75,800) for the area.
Last updated December 28 2007: 2:29 PM ET