PIB TrackerGDP base year shifted to 2022-23
The Ministry of Statistics & Programme Implementation has reset the national-accounts base year from 2011-12 to 2022-23 — the spine of how India measures its own economy.
What happened
- The Ministry of Statistics and Programme Implementation (MoSPI) has revised the base year of GDP from 2011-12 to 2022-23, with the revised national-accounts estimates released on 27 February 2026.
- The disclosure came as a written reply in the Rajya Sabha by the Minister of State for Statistics, Rao Inderjit Singh, laying out a coordinated refresh of India's main economic indicators.
- The revised GDP series folds in new data sources, the latest industrial classifications, and methodological and conceptual improvements in line with international recommendations.
- It is one part of a three-front statistical update: the Consumer Price Index (CPI) base has moved to 2024=100 (released 12 February 2026), and the Index of Industrial Production (IIP) base revision to 2022-23 is planned for May 2026.
- Compilation now rests on the National Industrial Classification (NIC)-2025, which widens coverage of services and IT/ITES, and the government has formally adopted high-frequency indicators (HFIs) and nowcasting to read the economy in near-real time.
Background & context
A base year is the reference year against which an economy's output is measured in constant (inflation-stripped) prices, and whose price-and-quantity structure fixes the weights used across the index. As an economy evolves — new industries appear, consumption baskets shift, the services share grows — an old base drifts away from current reality and the "real" growth numbers it produces become less faithful. The international convention, and India's own practice, is therefore to periodically rebase the national accounts so the constant-price series tracks a recent, representative year. India's GDP had been measured on a 2011-12 base since the 2015 rebasing; the move to 2022-23 is the first full rebasing in roughly a decade.
India's GDP is compiled by the National Statistical Office (NSO) within MoSPI, which publishes the National Accounts Statistics. The choice of 2022-23 as the new base is itself notable: it is the first post-pandemic "normal" year, avoiding the distortions of the COVID-affected 2020-21 and 2021-22, which makes it a cleaner reference for the price-and-quantity structure of the modern economy. The rebasing is not a standalone act but the visible peak of a broader programme to modernise India's statistical machinery, run through MoSPI's roadmap for the revision of economic indicators — the same roadmap that produced the new CPI base, the pending IIP base, and the publication of NIC-2025 in November 2025.
The exercise sits inside a defined family of governing standards. India's national accounts follow the UN System of National Accounts (SNA) 2008 — the global rulebook for how GDP and its components are defined and aggregated. For data dissemination, both GDP and CPI adhere to the International Monetary Fund's Special Data Dissemination Standard (SDDS), which sets the discipline of timeliness, periodicity and advance release calendars that subscriber countries commit to. The new NIC-2025 classification is itself aligned to the UN's International Standard Industrial Classification (ISIC) Revision 5, so that India's sectoral output maps cleanly to the global standard. This alignment is what lets India's numbers be compared across countries and over time.
For Prelims
- What changed: GDP base year revised from 2011-12 to 2022-23; revised estimates released 27 Feb 2026.
- Nodal body: compiled and released by MoSPI (through the National Statistical Office, NSO); the disclosure was a Rajya Sabha reply by MoS Rao Inderjit Singh.
- CPI rebasing: CPI base moved to 2024=100 (from 2012=100), released 12 Feb 2026, introducing Computer Assisted Personal Interviewing (CAPI) for electronic price collection in the field.
- IIP rebasing: base revision to 2022-23 planned for May 2026, using a chain-linked approach, with a Technical Advisory Committee for Base Year Revision (TAC-IIP) constituted to review the item basket, weights, factory list and data sources.
- WPI: modernised with secure online data transmission; the Wholesale Price Index is compiled separately by DPIIT (Ministry of Commerce & Industry), monthly, still on the 2011-12=100 base.
- Classification: compilation uses NIC-2025 (widens services and IT/ITES coverage), aligned to UN ISIC Revision 5.
- Governing standards: national accounts follow UN SNA 2008; GDP and CPI dissemination follows the IMF's SDDS.
- Nowcasting: the Economic Survey 2025-26 presents a nowcasting framework built on high-frequency indicators — electricity consumption, IIP, steel/cement production, GST collections, e-way bills, PMI, railway freight, air-passenger traffic, bank credit, port cargo and merchandise trade. The Department of Economic Affairs (DEA) publishes the Monthly Economic Review.
The full set of India's macro indicators (know who owns each): GDP / National Accounts → MoSPI/NSO, base now 2022-23, follows SNA 2008. CPI (retail inflation) → MoSPI/NSO, base now 2024=100, the index the RBI targets for monetary policy. IIP (factory output) → MoSPI/NSO, base 2011-12 (revision to 2022-23 due May 2026). WPI (wholesale prices) → DPIIT, base 2011-12=100, released on the 14th of each month. Keeping these owners straight is the single most common matching-question trap in this area.
What this is NOT: rebasing is not the same as the 2015 change of methodology (when India moved to GVA-at-basic-prices and market-price GDP as the headline) — a base change updates the reference year and weights, it does not by itself redefine what is being measured. It is not a "growth booster": rebasing can revise levels up or down and is meant to improve accuracy, not flatter the numbers. The CPI is not compiled by the RBI — the RBI only targets it under the flexible inflation-targeting framework; MoSPI compiles it. And WPI is not a MoSPI product — it belongs to DPIIT, a frequent confusion since WPI and CPI are both inflation gauges.
Why it matters
National statistics are the instrument panel of economic policy: the RBI sets interest rates off CPI, the Finance Commission and the Union Budget allocate resources off GDP, and investors and rating agencies price India off the credibility of these very numbers. A base that lags reality silently mis-measures the economy — understating fast-growing services and digital activity, mis-weighting a consumption basket that no longer matches how households actually spend. Rebasing to 2022-23, with NIC-2025 capturing IT/ITES and other modern services, addresses exactly that drift: it makes the "real" growth rate a more honest reflection of current output. The CPI shift to a 2024 basket does the same for inflation, ensuring the index the central bank targets reflects today's spending patterns rather than 2012's.
The second strand — nowcasting via high-frequency indicators — addresses a different problem: lag. Official GDP arrives quarterly and with a delay, which is a handicap when policymakers must react in real time. By reading GST collections, e-way bills, electricity demand, PMI, railway freight and port cargo as the month unfolds, the government can estimate momentum before the official number lands. The shift to CAPI for CPI price collection, and secure online transmission for WPI, attack the integrity and speed of the raw data itself. Taken together, the package is about making India's statistical system both more accurate (better base and classification) and more timely (nowcasting and electronic collection) — the two properties on which the trust in any national-accounts system rests.