The number of "high net worth individuals" (HNWI) defined as people with liquid assets of at least $1 million rose by 5.1% last year to 22.8 million, a Capgemini report said. The total wealth of HNWIs reached $86.8 trillion in 2023, a 4.7% increase from previous year. The report added that the world has never had so many rich people.