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日本有1,087个港(至1977年9月15日),其中重要港口963个。码头长度(换算长度)总计1,532公里,其中水深7.5米以上的大船码头309公里。防波堤长度总计664公里。港内大船锚地88,300万米~2,小船锚地8,000万米~2。1975年进出港船舶909.7万艘次、299,300万总吨。其中外轮82,000艘次(占0.9％)、98,500万总吨(占32.9％)。1976年货物吞吐量共26亿吨。1975年货物吞吐量占前十位的港口(按吞吐量排列)。
There are 1,087 ports in Japan (until September 15, 1977), of which 963 are major ports. The total length of the wharfs (converted length) is 1,532 km, of which 309 km are large wharfs with a depth of 7.5 meters. Breakwater length a total of 664 km. The harbor anchorage is 883 million m ~ 2 and the boat anchorage is 80 million m ~ 2. In 1990, there were 9.097 million vessels entering and leaving Hong Kong and 2.993 billion tons of gross tonnage. Among them, the number of foreign vessels was 82,000 (0.9%) and 985 million gross tonnage (32.9%). In 1976 a total of 2.6 billion tons of cargo throughput. Cargo throughput in 1975 accounted for the top ten ports (by throughput).