Summary
If you make $64,443 a year living in the region of Ontario, Canada, you will be taxed $18,393. That means that your net pay will be $46,050 per year, or $3,838 per month. Your average tax rate is 28.5% and your marginal tax rate is 34.2%. 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 $34.19, hence, your net pay will only increase by $65.81.
Bonus Example
A $1,000 bonus will generate an extra $658 of net incomes. A $5,000 bonus will generate an extra $3,291 of net incomes.