Social security
unemployment insurance
medicare
medicaid
what would be the best title for this list?

Great Society Programs would be the best title for those given list.

Explanation:

The series of initiatives of policy was observed in the Great Society which was lead by the president Lyndon B. Johnson and constructed agenda for evacuating poverty, inequality, crime, unemployment etc in 1964.

He made law for Medicare which covers hospitals and costs of physician for qualified elders while Medicaid which covers costs of healthcare for people who are eligible for cash support from government.

While social security or insurance program covers old age, survivors, disabled and health insurance programs and unemployment insurance which benefit youth citizens with specific amount of cash for specific time period with the help of employer, employee and government coordination.