I don't know why you're singling out the middle-aged or men, but in the 1950s the US was in fact 87.5% non-Hispanic White [1], so all other groups accounted for

I don't know why you're singling out the middle-aged or men, but in the 1950s the US was in fact 87.5% non-Hispanic White [1], so all other groups accounted for only 12.5%. [1] https://en.wikipedia.org/wiki/Historical_racial_and_ethnic_demographics_of_the_United_States https://en.wikipedia.org/wiki/Historical_racial_and_ethnic_d...