The two bar charts not only show the number of marriages and divorces in the USA between 1970 and 2000, but also illustrate the marital status of the Americans.

　　According to the first bar chart, within the thirty years, the number of marriages was always larger than that of divorces. From 1970 to 1980, the number of marriages remained unchanged . But 1990 saw a decline. In the following decade, the trend continued, dropping to the nadir of 2 million. Noticeably, the highest divorce rate was in 1980, when about 1.4 million divorces attracted the attention. In comparison, 1970 witnessed only 1 million, equal to that in 2000. By contrast, 1990 saw 1.2million.

　　The second bar chart indicates that in 1970 about 70% Americans married, but in 2000 the figure was 59%. The percentage of divorced and never married increased from 3% to 7% and 12% to 20% respectively.

　　In sum, the marital status from 1970 to 2000 were complex.