(1) Civil servants pay a certain percentage of their salaries into retirement funds, such as 7% in the United States, 6% in France and 5. 15% in Japan (4.7% for local civil servants).
(2) Institutions where civil servants work pay a certain proportion of the salary fund, such as Japan, which pays 7. 1% of the salary fund.
(3) The national budget funds, if there is a special item in the US federal budget, the Japanese Ministry of Finance will bear 15% of office expenses and insurance premiums.
(4) Interest income of the above three pension funds. China implements financial allocation for pension payment.