The daily poll results are based on telephone interviews with 1,500 people nationwide and has a 3% margin of error.
Trump’s predecessor, Barack Obama, generally polled approval in the low 50s, but his disapproval ratings were in the mid-40s throughout March 2016, according to Gallup.
The latest poll comes after Republicans pitched their plan to repeal and replace Obamacare. The health care plan could leave 24 million people uninsured by 2026, according to the Congressional Budget Office.
It also comes after Hawaii Federal Judge Derrick Watson put a nationwide hold on the President’s revised travel ban. At a rally in Tennessee on Wednesday, Trump vowed to appeal the case to the Supreme Court.
Trump has also been getting backlash from Democrats and Republicans on his unsubstantiated claims that Obama wiretapped Trump Tower.