Summary
If you make $39,981 a year living in the region of Ontario, Canada, you will be taxed $10,440. That means that your net pay will be $29,541 per year, or $2,462 per month. Your average tax rate is 26.1% and your marginal tax rate is 26.5%. 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 $26.45, hence, your net pay will only increase by $73.55.
Bonus Example
A $1,000 bonus will generate an extra $736 of net incomes. A $5,000 bonus will generate an extra $3,678 of net incomes.