https://www.snopes.com/fact-check/biden-inflation-rate-took-office/
As he defended his record in an interview that aired on May 8, 2024, U.S. President Joe Biden told CNN's Erin Burnett that inflation was at 9% when he took office:
After comparing Biden's statement with U.S. government statistics, we rate this claim "False." When Biden became president, inflation was at 1.4%.
Problem is joe's supporters may actually believe him.