China has signed social insurance agreements with a number of countries to prevent double social security taxation and to coordinate social security coverage for people who work or have worked in both China and other countries.
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As of September 2021, China has signed social insurance agreements with the following countries:
- Germany
- South Korea
- Denmark
- Finland
- Canada
- Switzerland
- Luxembourg
- the Netherlands
- Spain
- Japan
- Serbia
These agreements generally provide exemptions for foreign workers from contributing to China’s social security system for a limited period of time, typically up to five years, if they are already contributing to a social security system in their home country.
However, the specific details and requirements of each agreement may vary, so it’s important to consult with a qualified legal or tax professional for guidance.