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Taxation in Belgium

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The amount of taxes a person in Belgium has to pay depends on whether you are or you are not a resident of the country. For a resident (a person whose work or family home is in Belgium) it is clear. But in the case of non-resident, there are two scenarios. If you are non-resident who lives in Belgium for at least six months of the year (183 days) and you are registered with your local commune, you are classified as resident. It means you are taxed by Belgium income tax on your worldwide income. But if you are a non-resident who lives in Belgium for fewer than 6 months (183 days) during the year, you have to pay Belgium income tax only on income you earned in Belgium (including rents and capital gains).

The tax topics and laws are managed by government through the Ministry of Finance. The power to levy taxes has only the parliament. After the law is signed by the king, it is published in the official gazette.

The effective taxation rate in Belgium is commonly cited as among the highest in the world; see list of countries by tax rates.

Income taxation

Filing taxes

The Belgian tax year for personal income runs from 1 January to 31 December. Both, residents of Belgium as well as non-residents who pay tax on their income (as mentioned above), have to file an annual Belgian tax return. A tax return associated with your income in previous year is generally delivered in May or June. Typically, it has to be returned by the end of June (exact date can be found on the particular tax return). In case you don't submit your return by the deadline, you will receive a fine. Moreover, tax authorities can determine the amount of tax you have to pay.

As regards regular income tax payments, it is quite simple. If you are employed, your employer will regularly (every month) deduct your income tax payment from your salary. With self-employed workers or paid company directors, the process is similar – tax is paid in advance on monthly basis through collecting agency or bank. In Belgium, it is also possible to pay taxes via post or online (using Belgian government's tax portal). For non-residents with Belgian-earned income, it is a bit more complicated. A tax return is delivered as soon as they inform competent tax collectors office. On the other hand, they can also pay with the use of post or online.

Income tax rates

Income tax is calculated by applying a progressive tax rate schedule to taxable income, with rates that go from 25% to a maximum rate 50%. The rates, as of 2015, were as follows:

From 2019, the rates have changed, with the 30% rate eliminated. An exemption of €10,230 is applied before tax is imposed. As of 2023, the rates are as follows:

Communes/municipalities also can levy a surcharge on income tax that varies from 2.5% to 9.0%, with most municipalities assessing at a rate of 6-8%. This is paid along with income tax.

Employment income is also subject to social security contributions. Employee contributions are 13.07% and are deducted by the employer. In addition, the employer contributes about 35% of employee's wage. No ceiling for contributions apply on contributions for either employee and employer.

Deductions from income tax

Furthermore, a long list of tax allowances can be deducted from both the employer and the employee, including a general deduction, benefits deduction, and a deduction for dependents. Tax deductions are granted according to the following table:

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