Concern about his age — he’s 79 and will be 81 in the next election — has been the main reason given by Democratic voters who want an alternative, even as Biden continues to insist he will seek a second term. In an atmosphere of widespread discontent over high inflation and violent crime, Biden’s approval rating stood at 33 percent, a level not seen at this stage of the presidency since 1946, when support for Harry Truman plummeted as the U.S. swept by strikes. and skyrocketing inflation.