WASHINGTON (Michigan News Source) – President Joe Biden’s disapproval rating hit the highest mark of his presidency in a new NBC News poll. In addition, it showed support among key demographics slipping for the 80-year-old president.

Voters continue to see Biden’s age as a concern; 74 percent of voters said they have major or moderate concerns that he doesn’t have the mental and physical capacity to be president. According to reporting conducted by The Hill,  44 percent said the same of 77-year-old former President Donald Trump.

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Biden’s disapproval rating ticked up to 56 percent, with 41 percent saying they approve. The survey also shows support for Biden slipping with voters aged 18-24, who reported a 46 percent approval rating; Latinos, who reported 43 percent; and independents — who will be key to deciding the general election — at 36 percent.

The NBC News poll was conducted Sept. 15-19 and surveyed 1,000 registered voters with an overall margin of error of plus or minus 3.1 percent.