Emerson College Polling reports:
Following the president’s announcement on Friday, 53% of Americans disapprove of the declaration of a national emergency on the southern border. Despite this, the majority of Americans support the wall in some form; a plurality, 48%, support extending the border wall, and 42% of Americans support maintaining the existing wall. Only 11% of Americans support removal of the wall altogether. The national poll of registered voters was conducted February 14-16 with a margin of error of +/- 3 percentage points.
Trump’s approval nationally is at 51% disapproval and 43% approval, up from 52% disapproval and 42% approval in January. A majority of voters (52%) generally feel the country is headed in the wrong direction while 39% said it was headed in the right direction. In a generic congressional ballot test, Democrats lead Republicans 53% to 47%. A plurality of voters chose Barack Obama as their favorite president of the past 40 years with 36%. Donald Trump was in second with 24% of voters, followed by Ronald Reagan at 18%.