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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: J Marriage Fam. 2018 May 18;80(4):826–840. doi: 10.1111/jomf.12495
N = 12,860 Birth Cohort
1960–1964 1965–1969 1970–1974 1975–1979 1980–1984
(Baby Boomers)
(Generation X)
(Millennials)
Cohabitation Experiences, ages 16–28 % / M % / M % / M % / M % / M
Ever cohabited 44.0 52.4 57.8 65.7 71.9
One time 37.1 43.0 45.8 48.8 40.8
Serially cohabited 6.4 8.9 12.0 13.6 12.7
Among those who cohabited (N = 7,194)
    Serially cohabited 23.3 25.9 27.2 30.5 34.3
    Dissolved first cohabiting union 29.9 34.8 37.7 39.6 46.4
Demographics
    Racial/ethnic group
        non-Hispanic White 71.0 64.1 62.0 62.4 57.5
        non-Hispanic Black 11.9 13.8 13.7 13.3 15.5
        Hispanic 12.2 14.8 18.0 17.8 20.6
        non-Hispanic Other 5.0 7.2 6.5 6.6 6.5
    Education
            Less than high school 11.3 10.0 12.3 10.6 11.5
            High school diploma or GED 32.3 29.2 27.1 26.0 23.8
            Some college, associate’s degree 29.7 28.3 27.0 29.2 36.1
            Bachelor’s degree or higher 26.8 32.5 33.5 34.3 28.6
Family background
    Raised with two biological parents 71.1 66.2 63.2 57.2 59.2
Relationship history
    Number of non-cohabiting sex partners 4.9 5.5 5.5 6.1 6.2
        N 1736 3263 3646 2686 993

Note: All values are weighted.

Source: 2002, 2006–2010, and 2011–2013 National Survey of Family Growth