‘60 ‘70 ‘77                ‘80                                                 ‘90
Text Box: Total Couples (in Millions)
Total Couples (in Millions)
Unmarried Couples Living Together
Prior to 1977, Unmarried Couples living together was such a small group that data on this group was collected only in the 10-year census.
1963
Source: Statistical Abstracts of the United States
725% increase
Text Box: Population growth
Population growth