What Interest Rate is Your Annuity Paying?
If you buy an annuity for $100,000, and it pays $6000 per year, that seems like a 6% return. But that’s not actually the interest being paid. Most of each payment is just your own money returned to you. Here I try to work out what interest rate an annuity actually pays. To do this, I worked out what interest rate the insurance company would have to make to exactly cover all the payments to a large group of people who buy the same annuity. For that I needed actuarial tables that predict how many people will live to each age. I used data from Statistics Canada. Note that this is not the same as just using average life expectancy; I actually assume the insurance company keeps making payments to remaining survivors each year. There are many types of annuities. Here I focus on the simple case where there is no guarantee period, which means that the payments stop when you die, even if that happens shortly after buying the annuity. I also looked only at single person annuities wit...