Summary
If you make $55,164 a year living in the region of Ontario, Canada, you will be taxed $15,158. That means that your net pay will be $40,006 per year, or $3,334 per month. Your average tax rate is 27.5% and your marginal tax rate is 35.5%. 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 $35.47, hence, your net pay will only increase by $64.53.
Bonus Example
A $1,000 bonus will generate an extra $645 of net incomes. A $5,000 bonus will generate an extra $3,227 of net incomes.