The Ministry of Internal Affairs and Communications said the headline figure has remained above the Bank of Japan's 2-percent inflation target for a 14th successive month.
While energy prices were down 8.2 percent, food prices leaped 9.2 percent, and those for durable goods jumped 9.0 percent in the recording period, the ministry said.
The core-core CPI, which excludes both fresh food and energy items, climbed 4.3 percent, the ministry's report also showed, which marked the highest rise since June 1981.
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