In 2012, 218,102 ballots were cast by mail, with 50 percent coming from registered Republicans, 28 percent from registered Democrats, and 22 percent from registered unaffiliated voters (registered Libertarians were only 490 mail-in ballots).*
In comparison, in-person early ballots were 2,556,228, with 49 percent coming from registered Democrats, 30 percent from registered Republicans, and 21 percent from registered unaffiliated voters (again, registered Libertarians were zero percent, or 5,804 ballots).
So far in 2016, the mail-in ballots in North Carolina that have been accepted are:
By percentages, accepted mail-in ballots are 47 percent from registered Democrats, 27 percent from registered unaffiliated voters, 26 percent from registered Republicans, and one percent from registered Libertarians.
*updated to include requests from fax and e-mail requested.