In states like North Carolina and Georgia, the black share of registered voters remains low among those who reached voting age before 1965. Read it full By NATE COHN from NYT The Upshot http://www.nytimes.com/2014/12/30/upshot/evidence-that-the-jim-crow-era-endures-for-older-black-voters-in-the-south-.html
Source: The New York Times