Rate of Return – One Hundred and Twenty 40-year Periods of the S&P 500

This is a compilation of the ending values of $1 dollar invested for 40-year periods in stocks (S&P 500 indexed stocks). The average rate of return for all 120 40-year periods combined is a 9.8% rate of return.  That rate is increased by 2.2% when dividends received during each year is reinvested and accumulated in the sum total return,  That results in a projected 12% return on investments in the future.