More than 43 million vote as Democrats lead in early ballots in states tracking affiliation
Texas has the highest above-average turnout; three states report an increase in votes cast by Hispanic and black communities
More than 43 million Americans have already voted in the US midterm elections, with data from states tracking party affiliation showing more early ballots cast by Democrats than Republicans, and data from three states showing an increase in votes cast by Hispanic and black communities, according to the University of Florida Election Lab.