CPI vs WPI

Why in News?

CPI-based retail inflation dropped to a 77-month low of 2.1% in June 2025, while WPI contracted after 20 months. The decline was driven by easing food prices for the eighth consecutive month and deflation in key items like vegetables and crude oil.

Description:

FeatureConsumer Price Index (CPI)Wholesale Price Index (WPI)
MeaningMeasures retail inflation paid by consumersMeasures wholesale inflation faced by producers
Published byNational Statistical Office (NSO), Ministry of Statistics & Programme ImplementationOffice of Economic Adviser, Ministry of Commerce & Industry
Base Year (as of 2025)2012 (for CPI-Combined)2011–12
FrequencyMonthlyMonthly
Price Level Captured AtRetail levelWholesale level
Weightage – Food ItemsHigh (≈ 45% in CPI-Combined)Low (≈ 24%)
CoverageGoods & services (includes health, education, housing, etc.)Goods only (excludes services)
Used by RBI for Inflation Targeting?Yes – CPI (Combined) is the benchmark for RBI’s inflation targetingNo
Types of IndicesCPI-Rural, CPI-Urban, CPI-Combined, CPI for Industrial Workers (IW), Agricultural Labourers (AL), etc.Single WPI index with major groups: Primary Articles, Fuel & Power, Manufactured Products
Reflects Impact OnConsumers (end users)Producers and distributors

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