The two-day national poll found that 59 percent of Americans disapprove of Biden's job performance.
Biden's approval rating has been below 50 percent since August 2021 and has hovered around its record-low since first hitting it in May, raising alarms his Democratic Party is on track to lose control of at least one chamber of Congress in the Nov. 8 midterm election. Biden's rating fell three percentage points from 39 percent a week earlier.
Biden's popularity has suffered from a surge in inflation, which rose to a 40-year high in June at 9.1 percent. read more
Russia's attacks in Ukraine helped drive fuel prices higher. The Covid-19 pandemic has hindered global supply chains.
Biden's approval rating within his own party fell to 69 percent this week from 74 percent a week earlier. Only 11 percent of Republicans approve of his performance in office.
Biden's lowest ratings have rivaled the lows of his predecessor, Donald Trump, whose popularity bottomed out at 33 percent in December 2017.
The Reuters/Ipsos poll is conducted online in English throughout the United States. The latest poll gathered responses from a total of 1,003 adults, including 437 Democrats and 377 Republicans. It has a credibility interval - a measure of precision - of four percentage points.