# A 10% increase per year doubles you every seven years

A useful little stat I like to remember is that if something increases 10% each year, it will double every seven years. For instance…

- If population increases 10% each year, we’ll have twice as many people seven years from now.
- If you make 10% on your investments each year, you’ll double your money every seven years.
- If your stats improve 10% each season, you’ll be twice as good every seven years.

It’s a good benchmark for realizing the impact of exponential growth.