The article reports on the dynamic of the potato market in Japan during the 2020-2021 market year, highlighting a decrease in both the potato cultivation area and production due to adverse weather conditions in Hokkaido. Specifically, there was a 3.4% reduction in cultivation area, leading to an 8.1% drop in production compared to the previous market year. The expected decline for the 2021-2022 harvest is an additional 18%, totaling 1.8 million tons. Despite these challenges, the processing sector has seen growth, accounting for 25% of the domestic potato crop in 2020, with a significant portion used for the production of potato chips and French fries.