With less than a month until Election Day, Sen. Kay Hagan is backed by 44 percent of likely voters, compared to 40 percent for GOP challenger Thom Tillis, according to an NBC/Marist poll and reported by The New York Times. The 4 percentage point difference is within the margin of error.

Meanwhile, Libertarian candidate Sean Haugh is making the difference, polling at 7 percent, similar to previous survey results. Nine percent of voters are undecided.