How many people owned a car in 1950s?

According to the U.S. Census Bureau, there were about 40 million registered automobiles in the United States in 1950. This represented a significant increase from the previous decade, when there were only 25 million registered automobiles in 1940. The rapid increase in car ownership during the 1950s was due to a number of factors, including rising incomes, the expansion of the suburbs, and the construction of new highways. By 1960, there were over 60 million registered automobiles in the United States.