According to the RBI’s latest handbook of statistics on Indian states, Tamil Nadu’s Gross State Domestic Product (GSDP) at current prices increased from Rs 26.88 lakh crore in 2023-24 to Rs 31.19 lakh crore in 2024-25, registering a robust growth of 16 per cent, the fastest among major Indian states. Over the last three years, the state has consistently recorded high growth rates. Between 2021-22 and 2024-25, Tamil Nadu’s GSDP expanded by Rs 10.46 lakh crore, the second-highest absolute increase after Maharashtra (Rs 13.88 lakh crore). This sustained performance reflects a development model anchored in diversified industrialisation, strong service-sector expansion and continuous investments in human capital.
Manufacturing-led Growth
Tamil Nadu is a major industrial powerhouse, with the third-largest manufacturing GSDP in the country after Maharashtra and Gujarat. In 2024-25, real manufacturing GSDP grew by an impressive 14.74 per cent, more than three times the all-India average of 4.5 per cent. Manufacturing alone accounted for 28 per cent of the state’s overall real GSDP growth of 11.2 per cent.
Over the four-year period from 2021-22 to 2024-25, Tamil Nadu emerged as the fastest-growing manufacturing state, recording the highest average real growth rate of 9.38 per cent. Jharkhand (8.77 per cent) and Karnataka (8.73 per cent) followed, highlighting a widening divergence in manufacturing performance across states.
The state has emerged as a logistics hub and in recent years, as a key centre for India’s defence and aerospace industries. This has reduced vulnerability to sector-specific shocks and ensured greater stability across economic cycles.
The state ranks first nationally in the number of factories (40,121), employing around 25 lakh factory workers, and third in the MSME sector, with over 39 lakh Udyam-registered enterprises. The construction sector has also supported growth, registering real growth of 15.93 per cent in 2023-24 and 11.56 per cent in 2024-25.
Strong Services Sector
Services account for 53.6 per cent of Tamil Nadu’s Gross Value Added (GVA) and have maintained strong momentum. In 2024-25, the sector recorded double-digit growth of 11.3 per cent, compared to 7.47 per cent in 2023-24. Growth accelerated across several sub-sectors: real estate rose from 7.33 per cent to 12.42 per cent; public administration from 5.81 per cent to 14.2 per cent; transport, storage and communication from 6.58 per cent to 11.29 per cent; and miscellaneous services from 11.85 per cent to 12.49 per cent.
Human Capital Strength
Tamil Nadu possesses the largest network of technical institutions in India, numbering 955 in 2024-25. This provides a steady supply of skilled and semi-skilled labour for both manufacturing and services. The state is also investing in research parks, incubation centres and innovation clusters to promote a technology-driven, knowledge-based economy supported by progressive industrial and export policies. Given the dominance of labour-intensive industries and services, Tamil Nadu attracts substantial migrant labour from other states, underscoring its capacity to generate employment across skill levels.
Exports, Infrastructure and Energy
Tamil Nadu ranks first in the export preparedness index and consistently leads exports of electronics, textiles and leather products, while ranking second in engineering exports. Overall merchandise exports nearly doubled from USD 26.15 billion in 2020–21 to USD 52.07 billion in 2024–25, placing the state third nationally.
Recognised as the Detroit of India, Tamil Nadu is a major automobile hub and a pioneer in renewable energy, particularly wind and solar power. Installed power capacity has expanded significantly (from 53,139MW in 2021-22 to 42,772 MW in 2024-25), strengthening infrastructure readiness.
Every district in the state is now covered under one or more industrial corridor projects, making it the only state with such comprehensive industrial integration.
Investment Climate and FDI
Tamil Nadu ranks fifth among Indian states in attracting foreign direct investment (FDI). Annual inflows increased from USD 2169 million in 2022–23 to USD 3681 million in 2024-25, reflecting effective investment promotion. Since 2021, the state has signed 1173 MoUs, committing investments of Rs 12.19 trillion and employment potential of 35.48 lakh. Investment promotion visits by the Chief Minister to the US, UK and Germany in 2024-25 alone secured commitments worth Rs 23,000 crore, with nearly 80 per cent reportedly under various stages of implementation.
Rising Incomes, Consumption and Balanced Regional Development
Per capita income increased from Rs 2.71 lakh in 2021-22 to Rs 4.04 lakh in 2024-25, far outpacing the all-India increase. Importantly, Tamil Nadu exhibits relatively balanced regional development. Even districts with lower per capita incomes like Thiruvarur, Villupuram, Permbalur and Ariyalur exceed those of Bihar, Chhattisgarh and Odisha.
Social Development and Welfare-Led Growth
Tamil Nadu ranks first in NITI Aayog’s Social Progress Index and has long pioneered welfare-oriented governance. Several initiatives have strengthened outcomes in education, health, women empowerment and social inclusion. The state outperforms comparable peers on key indicators such as life expectancy, poverty reduction and higher education enrolment. These social investments facilitate smooth transition from agriculture to industry and services. Tamil Nadu is further strengthening its resilience to climate challenges through Climate Action Plan, which emphasises emissions reduction, sustainable agriculture and water management.
Fiscal Strength and Growth Outlook
Fiscal management has remained prudent. The fiscal deficit is projected to decline to 3 per cent of GSDP in 2025-26, while the debt–GSDP ratio has fallen from 27 per cent in 2021-22 to 26 per cent in 2024-25. A simple linear forecast, based on the last four-year real growth performance, suggests around 12 per cent growth in 2025-26. n
The author is the economic consultant to the Government of Tamil Nadu and former director, Madras School of Economics.
