> The government imports 770,000 tons of rice tariff-free annually under its minimum access quota, and places up to 100,000 tons of that up for auction. Private-sector imports, which are separate from that framework, are subject to a tariff of 341 yen ($2.35) per kilogram, a measure intended to protect domestic producers. [1]

Since 1995 Japan has been forced by the WTO to import a certain amount of rice tariff-free every year. Much of it doesn't even go to Japanese consumers, but rather to animal feed and strategic reserves. Prior to 2024, virtually all imported rice in Japan was imported to satisfy this requirement. Presumably that also includes the $63M of rice imported from Australia in 2023.

The tariffs do indeed have a massive impact, and until recently it was very difficult for consumers to even find imported rice in supermarkets.

[1] https://archive.is/0heNf#selection-2761.52-2761.373