Summary
If you make $1,626,166,932 a year living in New Zealand, you will be taxed $634,187,217. That means that your net pay will be $991,979,715 per year, or $82,664,976 per month. Your average tax rate is 39.0% and your marginal tax rate is 39.0%. 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 $39, hence, your net pay will only increase by $61.
Bonus Example
A $1,000 bonus will generate an extra $610 of net incomes. A $5,000 bonus will generate an extra $3,050 of net incomes.