Table 2.

Key facts about social health insurance.

	Mexico	Vietnam	China
Enrolment	Voluntary	Compulsory	Voluntary
Eligible population	Anyone who has not been receiving benefit from social security	The poor and some socially protected groups identified by governments	All rural residents
Contribution requirement from family	Theoretically yes, but practically no	No	Yes
Scope of benefit package	Explicit benefit package: 249 basic and 17 costly interventions	Broad but undefined benefit package; Covering outpatient and inpatient services and even some high-tech treatments	More favourable to inpatient ervices than to prevention and sprimary care; designed by local governments
Patient costing sharing	No	Yes	Yes