Summary
If you make $16,438 a year living in the region of Ontario, Canada, you will be taxed $3,900. That means that your net pay will be $12,538 per year, or $1,045 per month. Your average tax rate is 23.7% 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 $25.88, hence, your net pay will only increase by $74.12.
Bonus Example
A $1,000 bonus will generate an extra $741 of net incomes. A $5,000 bonus will generate an extra $3,706 of net incomes.