CPI vs WPI

Why in News?

Retail inflation fell to 1.55% in July 2025—its lowest since June 2017—driven by deflation in vegetables, pulses, spices, and meat, with WPI inflation also easing, marking nine months of price moderation below RBI’s 2–6% comfort band.

Description:

Retail Inflation: Meaning: Retail inflation measures the rise in prices of goods and services that households buy for consumption at the retail level.Measured by: The Consumer Price Index (CPI) in India, compiled by the Ministry of Statistics and Programme Implementation (MoSPI).Coverage: Includes categories like food & beverages, housing, clothing, fuel, and services.Significance:Reflects the cost of living for consumers.The Reserve Bank of India uses CPI-based inflation as the primary metric for its Monetary Policy under the inflation-targeting framework (current target: 4% ± 2%).
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
Inflation and Related Terms:

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