Summary
If you make $64,903 a year living in the region of Ontario, Canada, you will be taxed $18,550. That means that your net pay will be $46,353 per year, or $3,863 per month. Your average tax rate is 28.6% 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 $34.06, hence, your net pay will only increase by $65.94.
Bonus Example
A $1,000 bonus will generate an extra $659 of net incomes. A $5,000 bonus will generate an extra $3,297 of net incomes.