Average period of enrolment of players in the NPB in Japan 2016-2022

In 2022, the average period of enrolment of players active in Japan's professional baseball league (NPB) amounted to 7.7 years. That year recorded one of the lowest average periods of enrolment to the NPB, as well as the lowest average retirement age during the surveyed period.

在2022年，活跃于日本职业棒球联赛（NPB）的球员的平均注册期限达到了7.7年。该年度记录了历史上平均注册期限最低的年份之一，同时也是在调查期间平均退役年龄最低的年份。