Direct answer: A WFOE's monthly cost per Chinese employee is typically 35–50% above the gross salary: employer-side social insurance ranges 25–40% depending on the city, the housing fund adds 5–12% on each side, and individual income tax is withheld monthly at progressive rates from 3% to 45% with a RMB 5,000 monthly basic deduction. Expatriates are taxed on China-sourced income under the same comprehensive-income framework but can claim a cost-of-living deduction under tax treaties in many cases. Annual IIT settlement between March and June reconciles the monthly withholding against actual annual income.
1. The four layers that sit on top of a Chinese salary
Treating payroll as "salary plus tax" misses three statutory buckets that together can exceed 40% of gross cost on the employer side:
- Gross salary — the contractual amount, paid by the WFOE to the employee.
- Statutory social insurance — five sub-funds covering pension, medical, unemployment, work injury and maternity. Employer and employee each contribute at statutory rates; the employer portion is the larger share.
- Housing provident fund — a long-term savings account used for housing purchase, rental or retirement. Both employer and employee contribute 5–12% of base salary each (city-dependent caps apply).
- Individual income tax (IIT) — withheld monthly by the WFOE on the employee's comprehensive income and remitted to the tax bureau.
Each layer has its own base, cap, payment channel and filing deadline, which is why WFOE payroll is rarely run from a single Excel sheet.
2. Social insurance: the five sub-funds and who pays what
The statutory framework is uniform nationally, but exact rates and caps vary by city. The table below reflects the typical employer/employee split seen in tier-1 and tier-2 cities:
| Sub-fund | Employer share (typical) | Employee share (typical) | Base of contribution |
|---|---|---|---|
| Pension | 16% | 8% | Monthly base between 60% and 300% of city average wage |
| Medical | 6%–10% | 2% | Same base range; city dependent |
| Unemployment | 0.5%–0.8% | 0.2%–0.5% | Same base range |
| Work injury | 0.2%–1.9% (industry-dependent) | 0% | Same base range; rate set by industry classification |
| Maternity | Around 1% (often merged with medical) | 0% | Same base range |
Note: Employers sometimes negotiate the contribution base with employees to stay at the city minimum in the early years of a WFOE. While common, this is a documented risk: if discovered during an audit, the WFOE becomes liable for the underpaid portion plus late fees, and the employee loses retirement and medical benefit accrual.
3. Housing provident fund: employer and employee both contribute
The housing fund is technically separate from social insurance but is handled by the same government housing fund center. Both the WFOE and the employee contribute 5%–12% of a contribution base that is often capped at three times the city average wage. The account earns modest interest and can be drawn down for purchasing, renting or building a house in China, or withdrawn by expatriates when they leave the country.
For WFOEs, the practical implication is: the contribution base and rate must be agreed at hire and registered with the housing fund center. Mid-year changes are possible but require paperwork. Foreign employees on Z visas who hold residence permits can participate; those on multi-entry business visas or short assignments generally cannot, and the WFOE must track this carefully to avoid double-charging or under-contributing.
4. IIT withholding under the comprehensive-income rule
Since the 2019 IIT reform, employment income for both Chinese nationals and expatriates is treated as comprehensive income (综合所得). The WFOE withholds IIT monthly using a progressive rate table on cumulative income after a basic monthly deduction of RMB 5,000 plus specified additional deductions (children's education, mortgage interest, rent, elder care, serious illness, continuing education).
The brackets look like this:
- 3% on the first RMB 36,000 of annual taxable income
- 10% on RMB 36,000–144,000
- 20% on RMB 144,000–300,000
- 25% on RMB 300,000–420,000
- 30% on RMB 420,000–660,000
- 35% on RMB 660,000–960,000
- 45% above RMB 960,000
Annual bonuses from a single employer used to enjoy a separate preferential calculation; under current rules the bonus is folded into comprehensive income, which for many senior employees raises the marginal rate compared with the pre-2022 approach. Stock incentives, sign-on bonuses and relocation packages are also folded in.
5. Annual IIT settlement (年度汇算) and why it matters
Between March 1 and June 30 of the following year, every employee with China-sourced employment income must perform an annual IIT settlement, reconciling the monthly withholding against actual annual income. The WFOE does not file on behalf of the employee in most cases — the employee files individually through the 个人所得税 app.
Refunds are common for employees with deductible expenses (mortgage, rent, children) that were not factored into monthly withholding. Additional tax owed can also arise, especially for employees whose bonus pushed them into a higher bracket mid-year. WFOEs typically remind staff to file, run a final reconciliation on HR side, and issue an annual income certificate (收入纳税明细) on request.
6. Expatriates, seconded staff and stock incentives
Three common patterns need separate handling:
- Local-hire expatriates — full participation in social insurance, housing fund and IIT (China has no totalization agreement with most countries, so dual contributions can occur for short-term assignees).
- Seconded staff from the parent — usually no SI/HF contributions in China, but the WFOE may bear the cost via a secondment fee; IIT is still owed on China-workdays. A formal secondment agreement and work-day calendar are essential.
- Equity incentives — RSUs, options and ESPP gains realized while the employee is China-tax-resident are taxed as comprehensive income at vesting/exercise, often creating a one-off bracket spike that the annual settlement then redistributes.
7. Where Caigeek fits
Caigeek runs monthly payroll, SI/HF declarations, IIT withholding filings and the year-end reconciliation for WFOEs and representative offices in China. For companies with expatriate staff or secondment arrangements, we coordinate with the parent company's payroll provider to keep double-contribution and dual-residency risk in check. Engagement starts with the city's social-insurance policy, the headcount profile and any expatriate arrangements.
Frequently asked questions
1. Can a WFOE skip social insurance for the first year to save cash?
Legally, no. Social insurance is mandatory from day one of employment. Some cities allow a one-month grace period for newly registered WFOEs, but deferring beyond that is treated as underpayment and triggers late fees plus back-payment liability.
2. How does a WFOE handle payroll for an employee on a multi-entry business visa?
If the employee holds a work (Z) visa or residence permit, full SI/HF participation applies. If they hold only a business (M) visa or are short-term visiting, the WFOE cannot enroll them in local SI/HF, and any compensation is paid as a service fee to the foreign entity, with IIT still due on China-workdays.
3. Is the annual bonus still taxed separately?
No, since the 2022 transition the annual bonus is folded into comprehensive income. Some expatriates and senior staff face a higher marginal rate as a result. Tax-planning around timing of bonuses is now less effective than it was under the old standalone calculation.
4. Do I need a licensed payroll agent in China?
For SI/HF registration and monthly declarations a local account or licensed agent is required — payroll cannot be filed from abroad. Many WFOEs delegate the operational work to a local payroll service that interfaces with the social-insurance bureau and the IIT system.
5. What happens if the WFOE misses a monthly IIT remittance?
Late remittance triggers a daily late fee (万分之五, roughly 0.05% per day) on the unpaid IIT and may affect the employees' personal credit records under the social-credit framework. The WFOE is also required to make up the IIT from its own funds if it has already paid the employee net.
6. Can a WFOE refund unspent housing fund to the employee when they leave?
For Chinese nationals the housing fund stays in the account and follows them to the next employer. For expatriates who leave China permanently, the entire balance (employer + employee portions) can be withdrawn through the housing fund center after deregistration, subject to currency-control rules.
Important notes
This article provides general information about payroll, social insurance, housing fund and individual income tax in China for foreign-invested enterprises. It is not tax, legal, immigration or HR advice for any specific company. Contribution bases, rates and IIT brackets are city- and year-specific; confirm the latest position with the local social-insurance bureau, the housing fund center and a licensed tax agent.