How Long Does It Take For Your Money to Double?
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How Long Does It Take For Your Money to Double?
The rule of 72 is a classic shortcut that estimates how long it takes to double your investment.
Historical Asset Returns
Here’s how often different assets double, based on historical returns between 1928 and 2022:
| Asset | Average Annual Return 1928-2022 |
# of Years to Double Money |
End Value of $100 Invested 1928-2022 |
|---|---|---|---|
| 3-Month T Bill | +3.32% | 21.22 | $2,140.51 |
| Real Estate | +4.42% | 16.03 | $5,121.52 |
| U.S. T Bond | +4.87% | 14.58 | $7,006.75 |
| Gold | +6.48% | 11.04 | $8,866.76 |
| Corporate Bonds* | +6.96% | 10.30 | $46,379.53 |
| S&P 500** | +11.51% | 6.36 | $624,534.55 |
Source: NYU Stern. *Represents Baa corporate bonds, which are considered investment grade. **Includes reinvested dividends.
