The world has never had so many rich people and their investments in soaring stock markets have made them wealthier than ever recorded, according to a study published on Wednesday.Their fortunes have risen as stock markets have surged: New York's tech-heavy Nasdaq soared 43 percent in 2023 while the broad-based S&P 500 gained 24 percent.
There’s different ways to measure wealth over time. Percentage per person above a threshold. Total in top x%. Etc.