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Taxes and social security

When moving to the Netherlands, it is important to know whether you are considered resident tax payer or non-resident. Both residents and non-residents are taxed on their taxable income. A number of criteria help determine your status as resident or non-resident.

You can assume that, when you are living in the Netherlands and receive a Leiden University salary, you will be considered a resident. If you receive a grant from your country of origin, you may be seen as non-resident. If you are unsure about your taxpayer’s status, you can contact your HR department or a professional tax consultancy office. You can also find more information on www.belastingdienst.nl/english.

Tax support

Leiden University cannot assist in filling out your tax return. We can, however, arrange for an appointment with Limes International against a reduced tariff. Limes International specialises in trans-border taxation and can help you with further tax matters. Information on tariffs and conditions is available at the Service Centre International Staff. You can make a reduced-tariff appointment through the Service Portal of the Service Centre International Staff.

Wage tax

Leiden University pays tax over your salary. On your payslip you can see how much of your gross salary is paid to the Dutch tax office. On top of that, Leiden University has to pay employers’ tax and social contributions. Therefore, there is an essential difference between your gross and net salary.

In some cases after wage tax has already been withheld from your salary, you still need to complete an annual tax return depending on your partner's income, other income sources and the mortgage on your house. You might also be liable for tax deductions (e.g. mortgage interest).

Gross and net salary

Income tax

There are three types of taxes for taxable income.

  • Box 1:  Taxable income from work and home

    Income from employment, pensions, social security, income from home ownership, etc.  The tax you pay in box 1 is defined over four rates. These tariffs are recalculated annually.
  • Box 2:  Taxable income from substantial interest

    Income from a substantial interest in a company is subject to income tax at a rate of 25%.
  • Box 3: Taxable income from savings and investments

    Taxation on income from savings and investments is set on 4% of the assets. You cannot file a digital return for the year in which you move to the Netherlands. For your first tax return, the tax and customs administration requires you to complete a M-form.
Income tax

30% facility

Under certain conditions the first 30% of wages are tax free if you're an employee from abroad. You need permission from the Belastingdienst to apply the facility. More on the conditions of the 30%-facility and how to apply >>

Social security

As an employee of Leiden University you will be insured against illness, disability, accidents at work and occupational illnesses and unemployment. You will also be covered by the schemes for old age pension, survivor benefit, and child benefit. When you are a scholar or are doing research on a stipend you might not always be covered by social insurance schemes. You can find more information on euraxess.com and the website of the SVB.

Benefits (toeslagen)

If you live in the Netherlands and have health care insurance, a rented house or children, you might be entitled to a contribution towards the costs. This is called ‘a benefit’. You can find more information on benefits and how to apply for them on the website of the Belastingdienst.

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