Number of national flag vessels in Japan 2013-2022

In 2022, Japan recorded around 3.97 thousand national flag vessels of 100 gross tonnage or over. Passenger ships accounted for roughly nine percent of national flag vessels, with ferries representing an alternative mode of transportation to connect Okinawa, Hokkaido, Shikoku, and other smaller islands to the Japanese main island Honshu.

于2022年，日本登记了约3.97千艘净吨位在100吨以上的国旗船舶。客船约占国旗船舶总数的九分之一，而渡轮则构成了连接冲绳、北海道、四国以及其他小型岛屿与日本本岛本州的一种替代交通方式。