Summary
If you make $74,930 a year living in the region of Ontario, Canada, you will be taxed $21,675. That means that your net pay will be $53,255 per year, or $4,438 per month. Your average tax rate is 28.9% and your marginal tax rate is 32.0%. 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 $32, hence, your net pay will only increase by $68.
Bonus Example
A $1,000 bonus will generate an extra $680 of net incomes. A $5,000 bonus will generate an extra $3,400 of net incomes.