Tamil Nadu has recorded the highest CPI among all States in September 2026 at 6.8% as against 5.54% inflation in India. | Photo Credit: DHIRAJ SINGH Malathi Ramanathan 2657

Tamil Nadu recorded the highest Consumer Price Inflation (CPI) among all States in September 2026 at 6.8 per cent, compared with 5.54 per cent in India. The price rise in the State largely comes from urban prices, with food, education and personal care recording high growth, businessline analysis shows.

Tamil Nadu’s inflation gap with national average widens

Official data shows that the gap between TN’s inflation and the national average has also widened steadily through the year, from 0.6 to 1.2 percentage points between January and September. TN’s inflation has also risen steadily every month since January 2026, when it was 3.35 per cent.

State-wise inflation analysis shows that seven of the top 10 states reported CPI above the national average of 5.5 per cent in September. Gujarat, Maharashtra and West Bengal reported below-average inflation.

Tamil Nadu’s urban inflation rate of 6.5 per cent is highest of all states, but its rural rate of 7.17 per cent is only fourth behind Madhya Pradesh (7.31), Odisha (7.24) and Telangana (7.21).

Food, education and personal care drive price pressures

Product-level analysis shows that inflation in food, education, personal care, and other associated services could have influenced Tamil Nadu’s overall inflation.

Food and beverages (TN 10 per cent vs India 7.3) is the largest contributor and also the highest of the top five states. Similarly, education services inflation in TN at 7.8 per cent is almost double the national rate. As for personal care, TN’s inflation is again the highest among top states by GDP.

businessline analysis of the food category showed that rice, more commonly consumed in TN than wheat, saw almost eight times as much inflationary pressure as wheat in September 2026. Rice inflation in Tamil Nadu was almost one percentage point higher than the national average. Similarly, in beverages, coffee saw 1.5 times as much inflation in Tamil Nadu compared to India.

In education, the cost of ‘early childhood and primary education’ rose by 8.51 per cent in TN, compared with the national average of 4.81 per cent. The same trend holds for secondary and higher education, which recorded higher inflation in TN than the national average.

Interestingly, within personal care services, TN’s inflation in a component titled ‘cost of religious services by priests’ rose 7.72 per cent in Tamil Nadu, against a national increase of only 2.58 per cent.

Food supply shocks and gold prices add to inflation concerns

Assessing state-wide differences in inflation, Vivek Iyer, Partner and Financial Services Risk Advisory Leader, Grant Thornton Bharat, said Tamil Nadu’s dependence on food products from other States could have exposed it to higher transport costs and supply shocks. Further, gold, part of the personal care category, could also have pushed up inflation. “We have also seen that in an election year, when a new government comes in, inflation usually shoots up on account of populist policies of the state government,” he adds.

However, he flagged that Inflation numbers at the state and national levels are more a function of statistical aggregation of state-wise weighted data, and the larger trend of high national inflation stands.

Nithin Chandra, Partner, Kearney, said that while inflation is more of a national issue, the most worrying element at the state level is that food inflation is 10.6 per cent, materially above the national average. If you notice, the top five states by inflation aren’t geographically linked, but they all have high food inflation, pointing to a national supply shock rather than just demand.

Published on October 14, 2026