A seat-wise comparison of voting figures from the 2026 Tamil Nadu Assembly election has been presented alongside the 2021 election data. The compilation lists 2021 total votes and winning margins, and contrasts them with 2026 totals and polled votes for the same constituencies.

In the Tiruvallur belt, the 2026 totals and polled votes are shown for constituencies such as Gummidipoondi (total 2,54,129; polled 2,30,856), Ponneri (2,51,397; 2,25,665), Tiruttani (2,61,857; 2,35,709) and Tiruvallur (2,51,018; 2,24,624). For 2021, these seats are listed with total votes and the winning party and margin.

Chennai suburban constituencies in the list include Poonamallee (2026 total 3,68,634; polled 3,07,070), Avadi (4,36,177; 3,43,460), Maduravoyal (3,73,283; 2,92,503), Ambattur (3,37,019; 2,58,975), Madhavaram (4,31,796; 3,60,052) and Tiruvottiyur (2,44,903; 2,06,314). The 2021 section notes DMK victories in these seats with their respective totals and margins.

Vellore region figures include Katpadi (2026 total 2,28,736; polled 2,01,487), Vellore (2,14,504; 1,88,759), Anaikattu (2,38,715; 2,14,054), K.V. Kuppam (2,15,304; 1,87,853) and Gudiyatham (2,51,588; 2,27,692). The 2021 results for these constituencies are also listed with total votes, winner and margin.

In Dharmapuri district, the comparison includes Palacode (2026 total 2,40,322; polled 2,22,470), Pennagaram (2,48,614; 2,25,401), Dharmapuri (2,60,751; 2,33,205), Pappireddipatti (2,56,640; 2,15,306) and Harur (2,45,692; 2,15,306). The dataset also mentions Gingee, but the 2026 total shown appears incomplete in the provided text.