Republican-affiliated voters have outpaced Democratic-affiliated voters in early voting in seven closely watched states, according to data provided by TargetSmart and independently analyzed by the NBC News Data Analytics Lab.
GOP-affiliated voters have surpassed Democratic-affiliated ones in early voting in Arizona, Florida, Georgia, Indiana, Montana, Tennessee and Texas, the data showed.
Only in Nevada have Democratic-affiliated voters exceeded Republican-affiliated voters so far in early voting, according to the data.
Key Senate races are underway in seven of those eight states and will prove pivotal in determining which party controls the chamber.
The latest data suggests robust enthusiasm among early Republican voters that could put a dent in Democratic hopes for a “blue wave” in next month’s midterm elections.