Tamil Nadu’s Fiscal Reality Before the Poll Promises Begin

Before the promise race begins in Tamil Nadu’s 2026 elections, the state’s growing debt and shrinking fiscal space deserve closer scrutiny.

As Tamil Nadu heads toward Assembly elections in April–May this year (2026), the political atmosphere is already warming up, with some key parties promising welfare schemes, subsidies, loan waivers, cash transfers, etc. Welfare-orientated promises have long been central to electoral competition in the state, and there is little reason to expect a departure from that tradition this time. As campaigning intensifies, more proposals—ranging from loan waivers to expanded pension schemes and fresh subsidies—are likely to enter the political marketplace.

Yet, before the manifesto race gathers full momentum, it is worth pausing to examine Tamil Nadu’s underlying fiscal position. A closer look at recent trends in debt, deficits, and expenditure composition suggests that the state’s fiscal space is far tighter than current political rhetoric might imply. The challenge is not one of imminent collapse, but of steadily shrinking room for manoeuvre.

A Decade of Rising Debt

Over the past decade, Tamil Nadu’s debt indicators have weakened considerably. The debt-to-GSDP ratio, which hovered around 17–18% in 2012–13, climbed steadily to reach a peak of 32.2% in 2021–22. Although there has been some moderation since then, with the ratio estimated at 30.6% in 2024–25 (BE), it remains far above its level a decade ago. In absolute terms, the change is even starker. Outstanding liabilities rose from about ₹1.3 lakh crore in 2012 to a projected ₹9.6 lakh crore by 2025—an increase of more than seven times in just over a decade. While economic expansion explains part of this rise, borrowing has clearly outpaced the growth of the state’s fiscal capacity.

The growing debt burden is also reflected in the cost of servicing it. Interest payments increased from ₹31,980 crore in 2019–20 to ₹53,566 crore in 2023–24. This steady rise signals that an increasing share of the budget is being pre-empted by past borrowing, reducing flexibility for new priorities.

Half the Budget is Already under Committed Expenditure

The most binding constraint on Tamil Nadu’s finances, however, lies in the structure of its expenditure. Committed expenditure—salaries, pensions, and interest payments—now dominates the budget. Between 2019–20 and 2022–23, committed expenditure absorbed between 60% and 68% of revenue receipts and accounted for roughly 50–56% of total expenditure. In practical terms, more than half of the state’s spending is locked into obligations that are extremely difficult to compress in the short run.

Within this committed component, salaries constitute about 44–47%, pensions about 21–25%, and interest payments about 27–33%. The most concerning trend is the rising share of interest payments, which increased from 27.1% of committed expenditure in 2019–20 to 32.8% in 2023–24. This reflects not only higher borrowing but also the cumulative nature of debt servicing, which compounds fiscal pressure over time.

The link between committed expenditure and the revenue deficit is particularly revealing. In 2019–20, committed spending was 3.3 times the revenue deficit. In 2020–21, it stood at 1.9 times; in 2021–22, about 2.7 times; and in 2022–23, over four times the revenue deficit. These ratios indicate that revenue deficits are not episodic or cyclical, but structurally tied to rigid expenditure commitments. Without reforms in these areas, deficits are likely to persist regardless of short-term policy tweaks.

Debt sustainability adds another layer of complexity. For much of the pre-pandemic period, Tamil Nadu benefited from a favourable interest–growth differential (r–g), where economic growth exceeded the interest rate on debt. In 2014, r–g was –5.2 percentage points; in 2017, –1.7 percentage points; and in 2018, –3.3 percentage points. This helped stabilise the debt ratio despite continued borrowing. The pandemic, however, marked a turning point. In 2020, r–g turned positive at +1.0 percentage point, and in 2021 it widened sharply to +5.3 percentage points, indicating that interest costs were rising faster than economic growth.

Beyond Populism: The Real Fiscal Choice

These fiscal realities have direct implications for election-year populism. Welfare expansions, subsidies, and loan waivers may deliver immediate political dividends, but they typically add to committed or quasi-committed expenditure or reduce revenues through concessions. With fiscal space already constrained, financing new promises through borrowing risks pushing the debt ratio back toward—or beyond—its recent peak, especially if growth weakens.

Tamil Nadu’s fiscal position, therefore, is not one of immediate crisis, but of gradual structural tightening. Debt ratios have nearly doubled over a decade, interest payments are rising steadily, committed expenditure dominates the revenue base, and debt sustainability depends heavily on continued high growth. As manifestos begin to take shape, the real choice before voters is not merely about the generosity of promises, but about their fiscal credibility. Ultimately, responsible governance will hinge on containing the growth of committed expenditure, strengthening revenue mobilisation, and protecting capital investment that underpins long-term growth. Hence, responsible fiscal politics, rather than competitive populism, will ultimately determine whether Tamil Nadu can sustain both welfare and growth in the years ahead.

Data References:

Ministry of Statistics and Programme Implementation
Reserve Bank of India

Banisha Begum Shaikh is a Senior Associate, Research & Projects, at Centre for Public Policy Research (CPPR), Kochi, Kerala, India.

Views expressed by the authors are personal and need not reflect or represent the views of the Centre for Public Policy Research (CPPR).

Banisha Begum Shaikh

Senior Associate, Research & Projects at CPPR | [email protected] | + posts

With over 5 years of experience as a research professional, Banisha Begum Shaikh specializes in conducting in-depth sectoral evaluation at both national & state level policy research, policy drafting, white paper development, advocacy, implementation and impact assessment across various sectors of the economy.

Banisha's past research work has reached the policy makers desks at central & state levels with several suggestions being reflected in key policy and regulatory reforms.

Banisha Begum Shaikh

With over 5 years of experience as a research professional, Banisha Begum Shaikh specializes in conducting in-depth sectoral evaluation at both national & state level policy research, policy drafting, white paper development, advocacy, implementation and impact assessment across various sectors of the economy. Banisha's past research work has reached the policy makers desks at central & state levels with several suggestions being reflected in key policy and regulatory reforms.

Banisha Begum Shaikh