After seven days, about 716,000 NC voters have cast an early vote in person or by mail. That’s 10% of all registered voters. Democrats have cast 43% of the votes; Republicans, 30%; Unaffiliated, 26%. But as a percentage of party registration, there’s not much difference: Democrats, 12%; Republicans, 10%; Unaffiliated, 8%. So far, most counties have dropped in turnout from 2014, the last mid-term election.
Here’s the key data comparing 18 to 16.
https://docs.google.com/spreadsheets/d/1OgRzmhXLW6YEHQdhQkpSES3lbsVbRLkz2ZCv2Jh5tf0/htmlview
http://www.electproject.org/early_2016