それぞれの協定（きょうてい）が有効（ゆうこう）になった日と対象（たいしょう）の社会保障制度（しゃかいほしょうせいど）／Effective Date of Each Social Security Agreement and Applicable Social Security Systems

The following table shows social security systems included in each agreement. Social security systems which are not included in each agreement could be subject to dual coverage and you may be required to enroll in the systems in both countries.