Thanks for the link, it's an interesting report. Indeed, the social insurance premiums/expenditures are not included in govt. revenue/expenditure figures, thus

Thanks for the link, it's an interesting report. Indeed, the social insurance premiums/expenditures are not included in govt. revenue/expenditure figures, thus the disconnect. It's worth noting that ~25% (JPY29,040 billion - JPY20k per month per capita) of the funding for those programs comes from employer contributions for their employees.