How many males did not smoke?

An estimated 44% of adult males back in the 1960's were smokers, leaving about 56% of males who did not smoke, or at least hadn't died from it.

Explanation:

The statistics change and fluctuate so this is the most accurate answer I can give, assuming the time period was somewhere around the 1960's to 2000's.

I am not sure if this is what you are looking for based on the information you gave.

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.