55% of Americans believe Trump has not kept his campaign promises

The poll found that only 45 percent of Americans believe Trump keeps his promises, down from 62 percent when Gallup asked the question in February.

But after almost three months in office, during which Trump has dialed back or reversed several high-profile campaign promises amid a bruising battle with Republicans in Congress over an effort to repeal and replace the Affordable Care Act, those numbers are falling. "The public is also less likely to see him as a "strong and decisive leader, ' as someone who 'can bring about the changes this country needs" or as 'honest and trustworthy'".

On two other measures, whether Trump "cares about the needs of people like you" and "can manage the government effectively", the president's numbers also fell, though Gallup noted those declines were not statistically significant.

According to the latest data, only 41 percent approve of the job President Trump is doing, with 53 percent disapproving.

Not surprisingly, the poll also showed a massive drop in Trump's trustworthiness among Democrats and those who didn't support his presidency in the first place.

Only 40 percent of women think Trump keeps promises, down from 65 percent in February. The poll's margin of error is plus or minus four percentage points. After saying he'd move on to tax reform after the GOP's stinging defeat on its health care bill, Trump said on April 11 he would "do health care first" in a Fox Business Network interview. At the start of April, Gallup had Trump's approval rating at 38 percent, among the lowest numbers of his young presidency.

Polls have been a matter of debate since Trump took office.

While Trump's approval rating ― never especially strong to begin with ― has not decreased very significantly in Gallup's tracking since February, positive views of his personal traits clearly have.