Summary
If you make $18,951 a year living in the region of Ontario, Canada, you will be taxed $4,550. That means that your net pay will be $14,401 per year, or $1,200 per month. Your average tax rate is 24.0% and your marginal tax rate is 25.9%. 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 $25.87, hence, your net pay will only increase by $74.13.
Bonus Example
A $1,000 bonus will generate an extra $741 of net incomes. A $5,000 bonus will generate an extra $3,707 of net incomes.