Infographic: How Long it Took Billionaires to Earn Their First $1 Million

Since its inception, the stock market has been one of the most powerful and consistent sources of wealth creation available. Although stocks see more volatility than other assets, they have also averaged a real return of 6.7% per year between 1925 and 2014, compared to just 2.7% for bonds and 0.

Infographic: How Long it Took Billionaires to Earn Their First $1 Million