A think tank for Japan's Cabinet, the Economic and Social Research Institute (内閣府 経済社会総合研究所) (ESRI) published a study that quantified the present status of lifetime employment and seniority-based wage (i.e. the Japanese employment system). 
Chombo kinachotumika kufanya tafakari nzito cha Baraza la Mawaziri la Japani, Taasisi ya Utafiti wa Kiuchumi na Kijamii (内閣府 経済社会総合研究所)(ESRI) kimechapisha matokeo ya utafiti yaliyopima hadhi ya sasa ya ajira ya maisha na ulipaji ujira kwa kutumia cheo cha mtu (yaani, mfumo wa ajira wa Kijapani).