If you have any income, while staying in Denmark, you need to apply for at tax card from the Danish Tax Agency (Skattestyrelsen).

Exactly how much you must pay depends on your earnings and the tax deductions and allowances you are entitled to.

As a newcomer, you will find information about how to apply for a tax card on the website of the Danish Tax Agency (Skattestyrelsen)

If you do not apply for a tax card, your employer will deduct 55% from your salary.

Find out how to apply for a tax card here