The US added 562,000 new millionaires in 2024 due to a booming stock market and favorable interest rate environment.The S&P 500 and Nasdaq surged, with Nvidia contributing 22% of the S&P's gains, leading to significant wealth growth.Gen X, millennials, and Gen Z are expected to inherit trillions, with an estimated $83.5 trillion wealth transfer by 2048.Global wealth for high-net-worth individuals (HNWIs) increased by 4.2%, with North America experiencing the highest rise in wealth and population.