The share of American adults living alone nearly doubled over the past 50 years, to about one in seven. About 20 percent more women live alone than men, and adults ages 35–65 are most likely to live alone.

Source: “Table AD-3. Living Arrangements of Adults 18 and Over, 1967 to Present,” Historical Living Arrangements of Adults, U.S. Census Bureau, Current Population Survey, Annual Social and Economic Supplement, November 2017, https://tinyurl.com/y735t6lc

Data for the graphic are as follows:

Year Percentage of U.S. Adults Living Alone
1970 8.6%
1971 8.8%
1972 9.2%
1973 9.3%
1974 9.7%
1975 9.9%
1976 10.4%
1977 10.7%
1978 11.2%
1979 11.4%
1980 11.6%
1981 11.8%
1982 11.9%
1983 11.7%
1984 11.9%
1985 12.2%
1986 12.3%
1987 12.2%
1988 12.5%
1989 12.7%
1990 12.8%
1991 13.0%
1992 13.1%
1993 12.6%
1994 12.5%
1995 12.9%
1996 12.9%
1997 13.0%
1998 13.3%
1999 13.3%
2000 13.3%
2001 13.6%
2002 13.7%
2003 13.9%
2004 13.8%
2005 13.9%
2006 13.9%
2007 14.0%
2008 14.3%
2009 13.9%
2010 13.7%
2011 14.2%
2012 14.1%
2013 14.2%
2014 14.3%
2015 14.4%
2016 14.5%
2017 14.3%

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