Glossary
Updated on 11/07/2025

Joint Social Security Centre (CCSS)

What is the Joint Social Security Centre (CCSS)? - The Joint Social Security Centre is the central social security body in Luxembourg responsible for managing and administering social security contributions. It collects contributions from employees, employers, and self-employed individuals and distributes them to various social security branches, including healthcare, pensions, and family benefits.

What does the CCSS do? - The CCSS collects social security contributions from employees, employers, and self-employed individuals and allocates them to various social insurance funds, such as health insurance, pension, accident insurance, and family benefits.

Who needs to register with the CCSS? - All employees, employers, and self-employed individuals in Luxembourg must register with the CCSS. Employers are responsible for registering their employees and deducting social security contributions from their wages.

What contributions are collected by the CCSS? - The CCSS collects contributions for:

How are contributions calculated? - Social security contributions are calculated based on the employee's gross salary. Both the employee and the employer contribute a percentage, with the exact rate depending on the type of insurance. The CCSS collects these contributions and distributes them accordingly.

How do I contact the CCSS for questions or to make changes to my information? - You can contact the CCSS through their website, by phone, or by visiting their office in Luxembourg City. They also offer online services through MyGuichet.lu where individuals can view and update their social security information.

How do social security contributions work? - Social security in Luxembourg is compulsory for all employees and self-employed individuals. The contribution rates are set by law and are shared between the employee and the employer. The collected contributions cover healthcare, pensions, accident insurance, and more.

Synonyms: Social security center, social insurance office, social contributions authority, social security administration 
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