Summary
If you make $159,978 a year living in the region of Quebec, Canada, you will be taxed $62,546. That means that your net pay will be $97,432 per year, or $8,119 per month. Your average tax rate is 39.1% and your marginal tax rate is 49.7%. 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 $49.65, hence, your net pay will only increase by $50.35.
Bonus Example
A $1,000 bonus will generate an extra $504 of net incomes. A $5,000 bonus will generate an extra $2,518 of net incomes.