United States: median age at marriage (1890 to 2010)

Reference 1: Men and Women.

Reference 2: 1890, 1900, 1910, 1920, 1930, 1940, 1950, 1960, 1970, 1980, 1990, 2000 and 2010.

Source: http://en.wikipedia.org/wiki/Demographic_history_of_the_United_States