belgium • EUR
Belgium Social Contributions Calculator 2026
Estimate the Belgian private-sector employee NSSO/ONSS/RSZ contribution: 13.07% of gross pay with no ceiling.
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Help & FAQs
Frequently Asked Questions
Clear answers to common questions to help you use this calculator confidently.
Is there a contribution ceiling?
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Is there a contribution ceiling?
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Not for the standard private-sector employee 13.07% share.
Why is the employer amount missing?
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Why is the employer amount missing?
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Employer ONSS is a bundle of rates that varies. Publishing a fake 25% would be invented data.
Does this include occupational pension?
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Does this include occupational pension?
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No. Second-pillar contributions are plan-specific.
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