Save Japan CPI vs. IPI
Among all items of CPI, fuel has a major influence on inflation. Japan is one of the biggest importers of fuel, so the import price index (IPI) can be used to predict inflation. Japanese IPI leads CPI by 1 to 2 quarters.
Consumer Price Index (CPI) (YoY, L)2022-052.50 %
Import Price Index (IPI) (NSA, YoY, R)2022-0543.30 %