What if all black people left America?
The prison population would go down by 37%
There would be almost 50% less gang members
Rape would go down significantly
Overweight and obesity percentage would go down by 10%
Average IQ would go up 7 points, putting the USA tied for third with Japan
SAT scores would go up by about 100 points
ACT scores would go up by 5.5 points
AIDS and HIV would go down by over 67%
Chlamydia cases would go down by 50%
Gonorrhea would go down by 69%
Syphilis would go would go down by 58%
The average income would be over 20k more per year
The amount of people in poverty would go down by over 30%
Homelessness would go down by 57%
And the number of welfare recipients would go down by about 40%