Summary
If you make $49,991 a year living in the region of Ontario, Canada, you will be taxed $13,335. That means that your net pay will be $36,656 per year, or $3,055 per month. Your average tax rate is 26.7% and your marginal tax rate is 35.0%. 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 $34.96, hence, your net pay will only increase by $65.04.
Bonus Example
A $1,000 bonus will generate an extra $650 of net incomes. A $5,000 bonus will generate an extra $3,252 of net incomes.