The approval rating among those who voted for him has dropped from 80% to 69% in the April survey. There have been notable declines among Americans 18-34 and suburban residents, both of whom, in dramatic swings, now register net negative views on the president.

As bad as Biden’s number may be, the polling data for Democrats in Congress is far worse.

Republicans now sport a historic 10-point advantage when Americans are asked which party they prefer to control Congress, holding a 44%-34% margin over Democrats. That’s up from a 2-point Republican advantage in the October survey.

In the past 20 years, CNBC and NBC surveys have never registered a double-digit Republican advantage on congressional preference, with the largest lead ever being 4 pints for the GOP.