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. 2021 Jul 22;21:1444. doi: 10.1186/s12889-021-11367-7

Table 5.

Summary of robustness analysis of main parameter changes Unit: year

Changes Time point of occurrence of deficit under the strict one-child policy Universal two-child-
20%
Universal two-child-
40%
Universal two-child-
60%
Universal two-child-
80%
Universal two-child-
100%

Per capita financing

standard

+ 1% Current deficit 2032 3 4 5 6 6
Accumulated deficit 2040 4 5 6 7 8
−1% Current deficit 2021 0 0 0 0 0
Accumulated deficit 2021 0 0 0 0 0

Per capita

compensation expenditure

+ 1% Current deficit 2021 0 0 0 0 0
Accumulated deficit 2024 0 0 0 0 0
−1% Current deficit 2028 5 7 10
Accumulated deficit 2035 8 11
Bank interest rate + 1% Current deficit 2021 1 1 1 1 2
Accumulated deficit 2027 1 1 2 2 2
−1% Current deficit 2021 1 1 1 1 2
Accumulated deficit 2027 1 1 2 2 2

Note: The numbers represent the change value, which appeared, when the occurrence time of the current deficit and accumulated deficit under certain circumstances compared with the occurrence time of deficit under the strict one-child policy. Moving backward is positive and moving forward is negative. “-” means that no funds deficit will occur during the forecast period