For income loss calculations, Rule 53.09 of the Rules of Civil Procedure of Ontario states that when calculating future income losses, the discount rate used for the first fifteen years following the trial date is to be adjusted each year for trials commencing on or after January 1 of that year. The adjustment is based on the average yield for Government of Canada Real Return Bonds. For 2023 trials, the discount rate is based on the average yield on these bonds for the six-month period from March 1, 2022 to August 31, 2022.  

For trials commencing on or after January 1, 2023, the discount rate will be adjusted to 0.50% for the first fifteen years and after the first 15 years the rate remains unchanged at 2.5%.

In the table below we set out the 53.09 discount rate for the past five years.