Summary
If you make $89,990 a year living in the region of Ontario, Canada, you will be taxed $26,367. That means that your net pay will be $63,623 per year, or $5,302 per month. Your average tax rate is 29.3% and your marginal tax rate is 34.1%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $34.10, hence, your net pay will only increase by $65.90.
Bonus Example
A $1,000 bonus will generate an extra $659 of net incomes. A $5,000 bonus will generate an extra $3,295 of net incomes.