If you make CHF 50'000 a year living in the region of Ticino, Switzerland, you will be taxed CHF 7'056. That means that your net pay will be CHF 42'944 per year, or CHF 3'579 per month. Your average tax rate is 14.1% and your marginal tax rate is 27.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of CHF 100 in your salary will be taxed CHF 27.86, hence, your net pay will only increase by CHF 72.14.
A CHF 1'000 bonus will generate an extra CHF 721 of net incomes. A CHF 5'000 bonus will generate an extra CHF 3'607 of net incomes.
NOTE* Withholding is calculated based on the Ticino tables of Switzerland, income tax. For simplification purposes some variables (such as marital status and others) have been assumed. This document does not represent legal authority and shall be used for approximation purposes only.