Their reservations help explain his persistently low approval rating. At every point since February 2017, Gallup has found, at least half of Americans have disapproved of how he has done his job, with spikes as high as 60%. His approval figure has sunk as low as 35% and has never risen above 46%. When Barack Obama left office, by contrast, 59% of Americans had a positive view of his performance, with 37% disapproving.