This is an important statistical system reform document prepared by the Statistics Bureau, Ministry of Internal Affairs and Communications, showing detailed revision policies for index calculation methods responding to economic structural changes and consumption pattern diversification in the Consumer Price Index (CPI) 2025 base revision plan draft. This revision, conducted every five years as base revision, aims to achieve more accurate understanding of price trends by reflecting results from the 2020 National Census and Household Budget Survey.
Consumer Price Index 2025 Base Revision Plan (Draft)
Overview
This is an important statistical system reform document prepared by the Statistics Bureau, Ministry of Internal Affairs and Communications, showing detailed revision policies for index calculation methods responding to economic structural changes and consumption pattern diversification in the Consumer Price Index (CPI) 2025 base revision plan draft. This revision, conducted every five years as base revision, aims to achieve more accurate understanding of price trends by reflecting results from the 2020 National Census and Household Budget Survey.
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