First pillar of the Swiss social security system. OASI is a mandatory social insurance providing old-age and survivors' pensions. The contribution rate is 8.7% of gross salary, split equally between employer and employee (4.35% each). OASI is administered by cantonal compensation offices.
Related terms
DI
Branch of Swiss social insurance covering persons who become disabled. The DI contribution rate is 1...
BVG/LPP
Second pillar of the Swiss social security system, also known as occupational pension. The BVG is ma...
Social charges
All mandatory contributions deducted from salaries in Switzerland: OASI/DI/LEO, UI, accident insuran...
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