But even with its own decision to release stockpiled rice, there is no sign that prices have begun to fall. The government’s handling of the issue is a matter of growing criticism and concern.

The average price for 5 kilograms of rice in supermarkets between March 10 and 16 was 4,172 yen ($27.70), the ministry said, after the 11th consecutive weekly increase and double the price a year ago.