GDP & National Income

Subject: Economy | Unit: Economic Planning | Topic: GDP & National Income Exam: AP Group 2 (APPSC)

Introduction

Gross Domestic Product (GDP) and national income aggregates are the most fundamental measures of economic performance. They quantify the total value of goods and services produced in an economy, indicate growth or contraction, and form the basis for policy decisions on fiscal deficit targets, expenditure allocations, and international comparisons. India's GDP reached approximately $4.3 trillion in 2026, making it the 4th largest economy globally. This chapter covers the conceptual framework, measurement methods, key formulas, and latest data essential for AP Group 2.

Economic Context

India transitioned from a slow-growing economy (3.5-4% "Hindu Rate of Growth" during 1950s-80s) to one of the fastest-growing major economies post-1991 reforms. The country crossed the $1 trillion GDP mark in 2007, became the 5th largest economy in 2019, and the 4th largest by 2025. India's new GDP base year was revised to 2022-23 in February 2026 (from 2011-12). Real GDP growth for FY 2025-26 stands at 7.6%, confirming India's position as the fastest-growing major economy.

Core Content

National Income Aggregates — Definitions and Relationships

Key relationships:

• GNP = GDP + NFIA (Net Factor Income from Abroad)
• For India, NFIA is negative, so GNP < GDP
• GDP at Factor Cost = GDP at Market Price - Indirect Taxes + Subsidies

Three Methods of GDP Measurement

Where: C = Private Consumption, I = Investment, G = Government Spending, X = Exports, M = Imports

All three methods yield the same GDP (identity of circular flow of income).

GDP at Market Price vs Factor Cost

GDP(FC) = GDP(MP) - Indirect Taxes + Subsidies

GDP(MP) = GDP(FC) + Indirect Taxes - Subsidies

Nominal GDP vs Real GDP

GDP Deflator = (Nominal GDP / Real GDP) x 100

A deflator above 100 indicates inflation since the base year.

Complete Formula Chain

GDP(MP) = GDP(FC) + Indirect Taxes - Subsidies
GNP(MP) = GDP(MP) + NFIA
NNP(FC) = GNP(MP) - Depreciation - Indirect Taxes + Subsidies = National Income
Personal Income = National Income - Undistributed Profits - Corporate Tax + Transfer Payments
Disposable Income = Personal Income - Personal Taxes

India's GDP — Latest Figures (FY 2025-26)

Sector-Wise GDP Composition (FY 2025-26)

The mismatch between agriculture's GDP share (17-18%) and workforce share (46.1%) highlights disguised unemployment and low productivity in agriculture.

Historical GDP Growth Trajectory

Milestones: $1 trillion GDP (2007), 5th largest economy (2019), 4th largest (2025).

Important Concepts

• Final goods are consumed by end-users; intermediate goods are used in further production
• Double counting occurs when intermediate goods are counted separately — must be avoided
• Value Added = Value of Output - Value of Intermediate Consumption
• Transfer payments (pensions, scholarships) are NOT included in national income (no productive service rendered)
• Imputed rent of owner-occupied houses IS included in GDP
• Illegal activities and household services by family members are NOT included in GDP
• Green GDP adjusts GDP for environmental costs and natural resource depletion

AP Connection

• AP GSDP (2025-26 at current prices): Rs 18.3 lakh crore; projected Rs 19.75 lakh crore (2026-27) at 12% growth
• AP GSDP tripled from Rs 5.24 lakh crore (2014-15) to current levels
• AP per capita income (2024-25): Rs 2,98,058 — 1.30 times the national average
• AP registered 11.28% GSDP growth in Q2 FY 2025-26, exceeding national GDP growth of 8.7%
• AP economic growth (2024-25): 8% at constant prices
• Agriculture sector in AP: expanded from Rs 1.48 lakh crore to Rs 5.39 lakh crore (2014-15 to 2025-26)
• Industrial sector: Rs 1.24 lakh crore to Rs 3.84 lakh crore in same period
• Services sector: Rs 2.15 lakh crore to ~Rs 7 lakh crore

Key Points Summary

1. GDP measures total market value of all final goods/services produced within a country's borders in a year
2. GNP = GDP + NFIA; for India, NFIA is negative so GNP < GDP
3. National Income = NNP at Factor Cost
4. GDP can be measured by Product, Income, or Expenditure method — all give the same result
5. Expenditure method: GDP = C + I + G + (X - M)
6. GDP(FC) = GDP(MP) - Indirect Taxes + Subsidies
7. GDP Deflator = (Nominal GDP / Real GDP) x 100
8. India's new GDP base year: 2022-23 (revised from 2011-12 in February 2026)
9. Real GDP FY 2025-26: Rs 322.58 lakh crore; growth rate 7.6%
10. India is the 4th largest economy globally at ~$4.3 trillion
11. GDP per capita (nominal): ~$2,934; GDP per capita (PPP): ~$12,132
12. Services contribute ~55% of GVA; agriculture 17-18% but employs 46.1% of workforce
13. "Hindu Rate of Growth" refers to 3.5-4% growth during 1950s-1980s
14. Transfer payments (pensions, scholarships) are NOT part of national income
15. Green GDP adjusts for environmental costs and resource depletion
16. CSO merged into NSO (National Statistical Office) under MoSPI
17. India crossed $1 trillion GDP in 2007; became 4th largest economy by 2025

Exam Strategy

Key Terms Glossary