Summary
If you make $420,384 a year living in the region of Nunavut, Canada, you will be taxed $161,424. That means that your net pay will be $258,960 per year, or $21,580 per month. Your average tax rate is 38.4% and your marginal tax rate is 44.5%. 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 $44.50, hence, your net pay will only increase by $55.50.
Bonus Example
A $1,000 bonus will generate an extra $555 of net incomes. A $5,000 bonus will generate an extra $2,775 of net incomes.