China’s social insurance system is built around mandatory employer and employee contributions. For foreign employees, the practical questions are: which of the five insurances apply, whether city practice or a bilateral social-security agreement changes the picture, and what happens to pension balances when you leave China.
The five insurances (and housing fund)
Employers commonly contribute to five social insurance programmes plus, in many cities, the housing provident fund. Together, employer costs are often discussed as a large percentage of gross salary (commonly cited in the roughly 30–40% band all-in — illustrative only; rates are city- and year-specific).
- Pension
- Medical
- Unemployment
- Work-related injury
- Maternity (programme naming and bundling can vary in local administration)
Housing provident fund is related but administratively distinct; foreigner participation rules are city-sensitive.
Foreign employees — mandate and exemptions
As a baseline, foreign employees working lawfully for a China entity are often brought into social insurance like domestic staff. Two important caveats:
- City implementation differs — registration portals, contribution bases, and enforcement intensity are local.
- Bilateral social security agreements — China has agreements with certain countries that can exempt specific insurances (often pension/unemployment themes) when a Certificate of Coverage is obtained. Germany, Korea, and other treaty partners are commonly discussed examples — verify the current treaty list and your nationality’s certificate process before you assume an opt-out.
HR shortcuts (“foreigners never pay SI”) are unsafe without a written legal basis for that city and nationality.
Contribution bases (orientation)
Contributions are usually calculated on a contribution base tied to salary within local floors and caps. Employee and employer share different percentages by insurance type. Use the local human resources and social security bureau tables for the year — not a national average from a blog.
Leaving China: refunds and account handling
When a foreigner permanently leaves, some cities allow applications related to personal pension account balances under prescribed conditions. Medical and other accounts follow different rules. Coordinate with:
- IIT departure clearance
- Employer SI stop-payment date
- Bank account that will receive any lawful refund
Treat refund eligibility as city-administered, document-heavy, and slow — start before your residence permit expires if possible.
Employer under-contribution
If an employer fails to contribute while deducting from pay or promising “cash instead,” that is an employment compliance issue. Employees may have complaint paths to local SI agencies and labour arbitration. See employment and labor guide and employment counsel.
Frequently Asked Questions
Can I opt out of all Chinese social insurance as a foreigner?
Not as a blanket personal choice. Opt-outs, where they exist, usually depend on bilateral agreements plus local filing — or specific local transitional policies. Get HR and, if needed, counsel to document the basis.
Does social insurance replace private expat medical insurance?
No. Public medical insurance and private international plans cover different networks and claim styles. Many expats carry private cover for hospital language and direct billing even when enrolled in SI medical.
Will I get my pension contributions back when I leave?
Possibly in part under local rules for personal accounts when leaving the country permanently — not a guaranteed full refund of employer + employee contributions. Confirm with the local SI bureau.
How does SI interact with individual income tax?
Employee SI contributions can interact with IIT taxable income calculations. Use the IIT hub for tax framing; keep payslips showing SI deductions.
Legal basis & authorities
- Social Insurance Law and implementing regulations
- Local human resources and social security bureaus
- Bilateral social security agreements and Certificates of Coverage practice
General information only — not legal or tax advice.
Employment & Labor lawyers (e.g. Mai Thi Linh) and Finance & Tax for cross-over issues.