President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE’s approval rating after six months in office is the lowest of any president in the past 70 years, according to a new poll.

Just 36 percent of Americans in the ABC News/Washington Post poll released early Sunday approve of the job Trump is doing, while 58 percent disagree.

Trump’s approval rating has fallen 6 points since a similar survey 100 days into his presidency, pollsters noted, which was also a low.

The latest results follow news that Donald Trump Jr. met with a Russian lawyer offering damaging information about Democratic candidate Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE.

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Almost two-thirds of Americans, 63 percent, said that meeting was inappropriate.

Sixty percent also said Russia tried to influence the campaign.

Americans also questioned the president’s effectiveness, the results show.

Just 38 percent said he’s making significant progress on his agenda, while 55 percent said he is not.

Trump’s competence on the world stage is also a concern, according to the poll.

Two-thirds of Americans don’t trust him to negotiate with world leaders on America’s behalf, and about half, 48 percent, say the U.S.'s world leadership has become weaker under Trump.

Half of Americans also said they prefer ObamaCare over the Republican plan to replace it, which is supported by 24 percent.

The survey of 1,001 adults, conducted between June 10-13, has a margin of error of 3.5 percent.

Democrats outweighed Republicans in the survey, 35 percent to 23 percent, while 35 percent of respondents identified as independents.