At the same time, however, a declining share of Americans marry. In 2018, a record 35% of Americans ages 25 to 50, or 39 million, had never been married, according to a new Institute for Family Studies (IFS) analysis of U.S. Census data. The share was only 9% in 1970.

What percentage of 40 year olds have never been married?

Still, 21% of never-married singles age 40 and older say they have never been in a relationship. Roughly four-in-ten (42%) of those younger than 40 say the same. Never-married single men and women are about equally likely to have never been in a relationship (35% and 37%, respectively).

What percentage of adults marry?

Trends and census data of 2006–2010 As of 2006, 55.7% of Americans age 18 and over were married. According to the 2008–2010 American Community Survey 3-Year Estimates, 51.5% of males and 47.7% of females over the age of 15 were married. The separation rate was 1.8% for males and 2.5% for females.