According to UBS's 2025 Global Wealth Report, the United States added more than 379,000 new millionaires in 2024, averaging over 1,000 new millionaires per day. This increase marks the largest growth of millionaires in any country worldwide. The total number of millionaires in the U.S. reached approximately 23.8 million by the end of 2024, the highest in the world, far surpassing Mainland China's 6.8 million millionaires. The surge in millionaire ranks was driven by a strong U.S. dollar, a 23.3% rally in the S&P 500, and an 11% increase in private wealth across the Americas. The report also highlights that around 40% of all millionaires globally reside in the United States. Despite this growth at the top, over 80% of adults worldwide have a net worth under $100,000. The rise in millionaires reflects the disproportionate wealth growth in the U.S. during 2024, fueled by stable financial markets and equity gains.