A majority of Republicans, 68 percent, also thinks millions of illegal immigrants voted in the presidential election and 73 percent think voter fraud happens somewhat or very often.
The poll interviewed a sample of 1,325 Americans from June 5 to June 20.
Nearly two thirds of respondents thought election fraud is rampant in the country. Those who believed the previous election was influenced by voter fraud were more inclined to support the postponement of future elections.
Forty-seven percent of GOP or GOP-leaning respondents surveyed said they believe Mr. Trump won the popular vote.
The Post's poll of 1325 Americans, taken in June, also reveals an astonishing 47 percent wrongly believe Donald Trump won the popular vote.
Standard Life results overshadowed by £3.7bn outflows
But it is clear that the uncertainty that affects economies, markets and politics remains, including Brexit. But at its funds business, Standard Life Investments, assets were down 1% from the end of 2016 to £275.2bn.
Thin Chelsea squad must steer clear of injuries, says Cahill
Charly Musonda was meanwhile handed his debut for the club and the lack of quality was not lost on captain Gary Cahill . With the Community Shield behind us, nothing stands between us and a new Premier League season.
Amber Rose Wants Restraining Order Against Wiz Khalifa's Mom
Letic's 5-year-old niece actually answered the call, and the suit alleges Levonchuck immediately "launched into a profane attack". TMZ has reported that Amber is getting a lawyer to file a restraining order against Wiz's mom, Katie Wimbush-Polk.
In terms of how this support breaks down, it is "more prevalent among Republicans who were younger, were less educated, had less factual knowledge of politics and strongly identified with the party". However, he has repeatedly insisted that millions of people voted illegally and therefore cost him the popular vote, and he has hand-picked members of a fraud panel to investigate voter fraud.
Of course, our survey is only measuring reactions to a hypothetical situation. Financial markets would presumably react negatively to the potential for political instability.
Nevertheless, we do not believe that these findings can be dismissed out of hand.
Though no one in the administration has proposed such a move, the results show that more than half of Republicans "are amenable to violations of democratic norms". Lelkes is an assistant professor in the Annenberg School for Communication at the University of Pennsylvania.