India’s share of global Gross Domestic Product (GDP) fell from approximately 24.4%–25% in 1700 to roughly 3.8%–4.2% by 1947. This represents a drop of over 20 percentage points, marking an 84% reduction in India’s relative share of the world economy over the colonial period.
| Era / Year | Estimated Share of Global GDP | Primary Economic Context |
| 1700 (Pre-Colonial) | ~24.4% – 25.0% | Leading global exporter of textiles, spices, and metalwork. |
| 1820 (Early EIC Rule) | ~16.0% | East India Company consolidation; handloom decline begins. |
| 1870 (British Raj) | ~12.2% | Shift to cash-crop exporter; British manufacturing dominates domestic market. |
| 1913 (Pre-WWI) | ~7.5% | De-industrialization complete; minimal local capital formation. |
| 1947–1950 (Independence) | ~3.8% – 4.2% | End of colonial rule; economy left predominantly agrarian. |
(Data source: Historical GDP estimates by economic historian Angus Maddison for the OECD).Primary Factors Behind the Shrinkage
- De-Industrialization:In 1750, India produced approximately 25% of the world’s industrial manufacturing output (primarily textiles).By 1900, that share collapsed to under 2% due to British import tariffs on Indian goods alongside duty-free imports of British machine-manufactured goods into India.
- Wealth Extraction & Fiscal Drain: Tax revenues raised within India were regularly transferred to Britain to cover “Home Charges,” military expenses outside India, and colonial administration costs rather than being reinvested in domestic infrastructure or healthcare.
- Asymmetric Industrialization: While Western nations experienced exponential growth during the Industrial Revolution, colonial policies restricted India to serving as a provider of raw materials (cotton, opium, indigo) and a captive market for finished European goods.