Insurer	No. of Insured	Annual Budget (2016– 2017)	Share of expenditure from Total Health Expenditure	Method of Calculation of Premium	Liabilities
IHIO	36,000,000	2,795,265,222	9%	Iranian Medical Insurance Fund: 50% is paid by insured and the rest by government, in case, people which cannot afford the rest of premium after the confirmation of IKHRF, it is paid by government. The Rural Fund: No premium is paid by insured. Civil Servants Fund: 5% of minimum level of wage and advantages multiplied by 2. Other strata Fund: the premium depends on the socioeconomic condition.	90% of public approved hospitalized care in both private and public sectors, 70% of public approved out-patient and ambulatory services in both private and public sector
SSO	40,000,000	4,793,531,620	16%	In compulsory insurance coverage, the premium is defined based on pay-roll tax and the insured should pay 7%, the employer 20% and the government 3%.	In SSO's own medical center, the services are free of charge. Upon purchasing the services from other private or public providers: 90% of public approved hospitalized care in both private and public sectors, 70% of public approved out-patient and ambulatory services in both private and public sector
IKHRF	4,500,000	30,941,380	1%	Total premium is paid by government.	Free of charge for hospitalized services, special and catastrophic illness. With a limited franchise for other medical services