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About Wholesale Price Index (WPI)
- WPI is a price index that measures the average change in wholesale prices of a basket of goods.
- The WPI is calculated by the Office of Economic Adviser (OEA) in the Ministry of Commerce and Industry.
- The WPI is typically released on a monthly basis.
- The base year of All-India WPI has been revised from 2004-05 to 2011-12 in 2017.
- It does not capture changes in the prices of services.
Difference between WPI & CPI
Feature | Wholesale Price Index (WPI) | Consumer Price Index (CPI) |
Definition | Measures average changes in prices at the wholesale level for goods and services. | Measures average changes in prices at the retail level for a basket of consumer goods and services. |
Released By | Office of Economic Advisor, Ministry of Commerce & Industry. | National Statistical Office (NSO), Ministry of Statistics and Programme Implementation. |
Coverage | Primarily covers goods only, focusing on manufacturing inputs and intermediate goods. | Covers both goods and services, including food, housing, transportation, and medical care. |
Base Year | 2011-12 | 2012 |