Table 1: Indicators of rental unit quality.

19992009

Rental units (1000s)34,00735,378
Lacking full kitchen 3.98% 3.88%
Lacking full plumbing 2.88% 1.85%
(No exclusive use) 1.62% 1.58%
Year built (median)19661971
Over 70 years old 16.58% 19.10%
Square feet in unit (median)12931300
Square feet per person (median) 523 520
Persons per room
 Up to 0.562.04%63.30%
 0.51 to 1.0033.06%32.46%
 1.01 to 1.503.96% 3.39%
 1.51 and over 0.94% 0.79%

Source: American Housing Survey, 1999, 2009.