United States President Joe Biden's approval rating fell six points from August to 42%, based on a latest Marist National Poll with PBS Newshour and NPR.

The figure indicates the lowest rating for the commander in chief since he took office and underscores the public's disappointment with the U.S. pullout from Afghanistan.

A large section of the U.S. populace has also termed the United States' role in Afghanistan as a "failure".

The survey of 1,200 respondents taken between August 26 and 31 found just 42% said they agree with what the president is doing, with 50% opposed, and 7% unsure. The poll had an error margin of 3.7%.

That a majority of independents are now dissatisfied about Biden's performance is bad news for him and the Democrats. They are a major swing group, one that Biden won last year but who now think he's off course.

Around 61% of the U.S. populace opposed the withdrawal of American forces from Afghanistan, data released by Marist show.

A big majority of Americans or 60%, however, seem to believe the war-torn country must determine its future "without U.S. involvement," while nearly 30% think it is the "responsibility" of the U.S. to remain involved with Afghanistan's affairs.

A majority of adults surveyed (61%) is discontent on how Biden handled the drawdown from Afghanistan, with many Republicans (93%) and Independents (71%) and around 25% of Democrats saying they disapproved.

Two weeks ago, 46% of Americans approved of Biden's performance as president, while 45% disapproved, according to a Yahoo News/YouGov poll. At the time, mounting disapproval of the president's approach to foreign policy hadn't yet affected his overall figures much, if at all.

Republicans have found it quite difficult to drum up the kind of hostility toward Biden as they did for Hillary Clinton. But today, seven months into his presidency, his detractors seem to have discovered what to rant about -- from economic issues to Afghanistan.

The survey showed, however, that not all Americans think accountability for the Afghanistan crisis rests solely on Biden. About 35% ranked George W. Bush as being the most "responsible," followed by Biden at 20%, Barack Obama at 15%, and Donald Trump at 12%.