Empty period - empty period

...In order to realize universal pension coverage, the Act on General Pension Law was enacted in 1961 to provide pensions to those who could not meet the requirements for the period of membership because they had switched pension systems due to job transfers or other reasons. Initially, only old-age pensions were available, but a revision in 1976 introduced disability pensions and survivor pensions. The right to receive a pension is granted when the combined periods of membership in multiple systems reach a certain period. For old-age pensions, the total between the national pension and employee pensions (employee pension insurance and mutual aid pension) is set at 25 years, and the total between the employee pension insurance and mutual aid pension is set at 20 years, and the total old-age pension is paid according to the period of membership in each system. ...

*Some of the terminology explanations that refer to the "empty period" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…国民皆年金を実現するために，職業移動などにより年金制度を移ったため加入期間の要件を満たしえない者にも年金を支給するように，1961年に制定された通算年金通則法により設けられた年金。当初は老齢年金のみであったが，76年の改正で障害年金と遺族年金についても導入された。複数の制度の加入期間を合わせて一定期間になれば年金受給権を与えるもので，老齢年金については，国民年金と被用者年金(厚生年金･共済年金)の間の通算では25年，厚生年金と共済年金の通算では20年として，それぞれの加入期間に応じて通算老齢年金を支給した。…

※「カラ期間」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報