Summary
If you make $74,978 a year living in the region of Ontario, Canada, you will be taxed $21,691. That means that your net pay will be $53,287 per year, or $4,441 per month. Your average tax rate is 28.9% and your marginal tax rate is 31.0%. 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 $30.96, hence, your net pay will only increase by $69.04.
Bonus Example
A $1,000 bonus will generate an extra $690 of net incomes. A $5,000 bonus will generate an extra $3,452 of net incomes.