The social security payment unit is an agency.

If the unit can pay, then the unit payment is better. In the absence of a work unit, the difference between individual contributions and institutional contributions is as follows:

Difference: individuals only pay pension and medical insurance; Social security institutions can also pay work-related injury, unemployment and maternity insurance, and the amount paid by units and individuals is greater than that paid by flexible employees;

There are differences in the base and proportion of payment.

Wolf. com

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.