Tamil Nadu Assembly Election Alliances & Seat Sharing (2021)
Complete analytical breakdown of electoral alliances, seat-sharing pacts, seats contested, won, lost, strike rates, popular vote conversions, and government coalition alignment.
Detailed Pre-Election Alliance Seat Sharing & Party-by-Party Performance
Granular breakdown of seats allocated to each constituent party, seats won, seats lost, strike rate percentages, and popular vote contribution.
Secular Progressive Alliance (SPA / DMK Front)
Front| Constituent Party | Seats Contested | Seats Won | Seats Lost | Strike Rate | Popular Votes | Vote Share % | Key Leader / Floor Role |
|---|---|---|---|---|---|---|---|
| 188 | 133 | 55 |
70.7%
|
17,430,179 | 37.70% | M. K. Stalin | |
| 25 | 18 | 7 |
72.0%
|
1,976,527 | 4.27% | K. S. Alagiri | |
| 6 | 4 | 2 |
66.7%
|
457,763 | 0.99% | Thol. Thirumavalavan | |
| 6 | 2 | 4 |
33.3%
|
504,220 | 1.09% | R. Mutharasan | |
| 6 | 2 | 4 |
33.3%
|
413,128 | 0.89% | K. Balakrishnan | |
| 3 | 0 | 3 |
0.0%
|
222,271 | 0.48% | K. M. Kader Mohideen | |
| Alliance Total (6 Parties) | 234 | 159 | 75 | 67.95% | 20,982,088 | 45.38% | Governing Majority Coalition (159 Seats) |
National Democratic Alliance (NDA / AIADMK Front)
Front| Constituent Party | Seats Contested | Seats Won | Seats Lost | Strike Rate | Popular Votes | Vote Share % | Key Leader / Floor Role |
|---|---|---|---|---|---|---|---|
| 191 | 66 | 125 |
34.6%
|
15,391,555 | 33.29% | Edappadi K. Palaniswami & O. Panneerselvam | |
| 23 | 5 | 18 |
21.7%
|
1,758,774 | 3.80% | Dr. Anbumani Ramadoss | |
| 20 | 4 | 16 |
20.0%
|
1,213,510 | 2.62% | L. Murugan | |
| Alliance Total (3 Parties) | 234 | 75 | 159 | 32.05% | 18,363,499 | 39.71% | Principal Opposition Coalition (75 Seats) |
Naam Tamilar Katchi (NTK)
Front| Constituent Party | Seats Contested | Seats Won | Seats Lost | Strike Rate | Popular Votes | Vote Share % | Key Leader / Floor Role |
|---|---|---|---|---|---|---|---|
|
Naam Tamilar Katchi (NTK) (Naam Tamilar Katchi )
Symbol: Official Party Symbol
|
234 | 0 | 234 |
0.0%
|
3,042,307 | 6.58% | Senthamizhan Seeman (Chief Coordinator) |
| Alliance Total (1 Parties) | 234 | 0 | 234 | 0.00% | 3,042,307 | 6.58% | Third Largest Political Force (Contested all 234 seats independently with 50% women candidates) |
Amma Makkal Munnettra Kazagam Front
Front| Constituent Party | Seats Contested | Seats Won | Seats Lost | Strike Rate | Popular Votes | Vote Share % | Key Leader / Floor Role |
|---|---|---|---|---|---|---|---|
|
Amma Makkal Munnettra Kazagam Front (Amma Makkal Munnettra Kazagam Front)
Symbol: Official Party Symbol
|
234 | 0 | 234 |
0.0%
|
1,085,000 | 2.78% | T. T. V. Dhinakaran (General Secretary) |
| Alliance Total (1 Parties) | 234 | 0 | 234 | 0.00% | 1,085,000 | 2.78% | Alliance with DMDK and SDPI |
Makkal Needhi Maiam Front
Front| Constituent Party | Seats Contested | Seats Won | Seats Lost | Strike Rate | Popular Votes | Vote Share % | Key Leader / Floor Role |
|---|---|---|---|---|---|---|---|
|
Makkal Needhi Maiam Front (Makkal Needhi Maiam Front)
Symbol: Official Party Symbol
|
234 | 0 | 234 |
0.0%
|
1,135,000 | 2.45% | Kamal Haasan (Party President) |
| Alliance Total (1 Parties) | 234 | 0 | 234 | 0.00% | 1,135,000 | 2.45% | Alliance with AISMK and IJK |
Tamil Nadu Alliance Architecture & Encyclopedic Directory
Tamil Nadu state politics has evolved through distinct coalition phases: the DMK-led alliance (formed initially as DPA/SPA), the AIADMK-led alliance (NDA front), and the 2026 post-election emergence of the Secular Social Justice Victory Alliance (SSJVA / மதச்சார்பற்ற சமூகநீதி வெற்றிக் கூட்டணி) under Chief Minister C. Joseph Vijay.
Secular Social Justice Victory Alliance
Founded at Panaiyur headquarters on September 9, 2026. Chaired by C. Joseph Vijay. Formed to command 121 seats and contest October 2026 by-elections.
Read Wikipedia Documentation →DMK-Led Alliance (SPA / DPA)
Key political front in Tamil Nadu across 2004, 2006, 2019, 2021, and 2024 elections. Led historically by M. Karunanidhi and M. K. Stalin.
Read Wikipedia Documentation →AIADMK-Led Alliance (NDA Front)
Governed Tamil Nadu across 2011-2021 under J. Jayalalithaa and Edappadi K. Palaniswami. Currently commands 53 seats in the 17th Assembly.
Read Wikipedia Documentation →