Eliza Collins

USA TODAY

Hillary Clinton leads Donald Trump by 7 points in a McClatchy-Marist poll released the Friday before the first general election debate.

In a two-way matchup, Clinton had 48% support of likely voters, while Trump had 41%.

When third-party candidates are added, Clinton’s lead over Trump narrows by 1 point, 45%-39%. Libertarian Gary Johnson had 10% support and Green Party candidate Jill Stein had 4%. Johnson did have the support of one-fifth of likely independent voters.

The survey of 758 likely voters was conducted Sept. 15-20. The margin of error was 3.6 points.