The provided charts compare the rate of marriage and divorce and marital status of adults Americans between 1970 and 2000. As can be observed, marriage in 1970 and 1980 remained unchanged, but after that, it started falling.
The first chart illustrates the change in the number of marriages and divorces in the US over a 30-year period from 1970. The second chart compares the proportion of American adults’ different marital statuses in two years, 1970 and 2000.