Donald Trump's approval rating has plummeted to 36 per cent.

After nearly six months in office, US President Donald Trump’s approval rating has dipped to 36 per cent, according to a new Washington Post-ABC News poll.

Trump’s overall approval rating was down from 42 per cent in April.

According to the poll released on Saturday, Trump’s disapproval rating has risen five points to 58 per cent.

Overall, 48 per cent say they “disapprove strongly” of the current US president’s performance in office.

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The fresh survey indicates that nearly half of all Americans (48 per cent) see the country’s leadership in the world as weaker since Trump was inaugurated in January, compared with 27 per cent who say it is stronger.

A total of 50 per cent of Americans say the 45th US president is doing a worse job than most past presidents, while just under 25 per cent say he is doing better than his predecessors.

A similar share say he is faring about the same as previous presidents, according to a summary of results published by the Washington Post.

Meanwhile, 55 per cent say Trump is not making significant progress toward his goals.