FIGURE 2-11 Improvement in US housing and electrification of US homes during the 20th century. The number of US homes with electricity, plumbing, refrigeration, and basic appliances soared in the middle of the 20th century.
SOURCE: S. Moore, J. L. Simon, and the CATO Institute. “The Greatest Century That Ever Was: 25 Miraculous Trends of the Past 100 Years.” Policy Analysis No. 364, December 15, 1999. Pp. 1-32.