Summary
If you make $100,128 a year living in the region of Quebec, Canada, you will be taxed $34,291. That means that your net pay will be $65,837 per year, or $5,486 per month. Your average tax rate is 34.3% and your marginal tax rate is 45.5%. 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 $45.54, hence, your net pay will only increase by $54.46.
Bonus Example
A $1,000 bonus will generate an extra $545 of net incomes. A $5,000 bonus will generate an extra $2,723 of net incomes.