Sectoral Contribution to India's GDP — an important topic for competitive exam
📊 1. Sectoral Classification of the Economy
| Sector | Includes | Also Called | 
|---|---|---|
| Primary | Agriculture, Fishing, Forestry, Mining | Agriculture sector | 
| Secondary | Manufacturing, Construction, Electricity | Industrial sector | 
| Tertiary | Services – Banking, IT, Trade, Education, Transport | Service sector | 
📈 Latest Sectoral Contribution to GDP (FY 2023–24)
(Source: Economic Survey 2024 & CSO estimates)
| Sector | Share in GDP (%) | 
|---|---|
| Primary | ~15% | 
| Secondary | ~27% | 
| Tertiary | ~58% | 
✅ Tertiary sector is the largest contributor to India's GDP.
📅 Trend Over Time (1950 → Now)
| Year | Primary | Secondary | Tertiary | 
|---|---|---|---|
| 1950–51 | 52% | 15% | 33% | 
| 1990–91 | 31% | 27% | 42% | 
| 2023–24 | 15% | 27% | 58% | 
📌 Observation:
- Decline in primary sector share. 
- Rise in services sector due to IT boom, urbanization, and globalization. 
🧠 Key Points for Exams
- Services sector is the engine of growth in India. 
- Agriculture still employs the highest % of population (~45–50%), but contributes the least to GDP (~15%) → reflects low productivity. 
- Manufacturing is targeted for expansion via Make in India & PLI Scheme. 
- Government aims for balanced growth of all sectors.