The Mercedes-Benz Hurun India Wealth Report 2025 reveals that Maharashtra leads India with 1,78,600 millionaire households, driven by strong economic growth. Mumbai alone contributes 1,42,000 households, making it the nation's 'Millionaire Capital'. While India's millionaire households surged 90% since 2021 to 8,71,700, wealth remains concentrated in a few states and metros.