New GDP Series Brings Major Changes to Enhance Accuracy
Base Year Shifts to 2022-23: India updates GDP base year from outdated 2011-12 to 2022-23, reflecting post-GST, post-pandemic economic structure including digital services, renewable energy, gig economy expansion.
Double Deflation Adopted: New methodology separately adjusts output and input prices for real value. Expands price deflators from 180 to 500-600 items using granular CPI-WPI data, critical for manufacturing accuracy.
Better Informal Sector Capture: GST records, UPI transactions, vehicle sales, gig platform data now integrated. Domestic workers, ride-hailing, delivery operations explicitly included in GDP calculations for first time.
Addressing IMF Concerns: IMF gave India's old methodology 'C' rating due to outdated 2011-12 base, excessive WPI reliance, single deflation bias. New framework aligns with UN System of National Accounts (SNA) global standards.
Release & Impact: New series launches Feb 27 with back-series data for 2022-26. Proportional Denton method improves quarterly GDP accuracy. Minimal headline growth change expected focus is precision, not revision of trends.