Two lines sit on top of gross salary for every Saudi Arabia hire, and they split sharply by nationality track. GOSI's employer contribution is 2% of contributable wage (basic plus housing allowance, capped at SAR 45,000/month) for an expatriate, occupational hazards insurance only, since expats aren't covered by GOSI's pension or SANED unemployment schemes. For a Saudi national on the pre-3-July-2024 registration track, that jumps to 11.75%, split roughly across pension/annuities (9%), occupational hazards (2%), and SANED unemployment insurance (0.75%).
The second line, Article 84 end-of-service benefit accrual, applies identically regardless of nationality. It's uncapped and paid entirely by the employer at exit, not through GOSI, so a prudent employer provisions for it annually rather than treating it as a surprise cost. This calculator models that provision at the correct accrual rate for the employee's current year of tenure: half a month's wage per year for years 1-5, a full month's wage per year from year 6 onward, so the annual accrual cost roughly doubles once an employee crosses that threshold.
Neither line is the full picture for an expat-heavy workforce. Saudization (Nitaqat) compliance, the expat levy, and dependent health insurance all add real cost or risk on top, but they vary too much by company size, sector, and family structure to model as a single figure here, budget them separately alongside what this calculator shows.