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Tamil Nadu Assembly Election, 2021

234 seats · vs 2016 (232-seat house — comparison approximate) · turnout 73.4%

Community mirrorTCPD Lok Dhaba, Ashoka University (mirror of ECI)Open in Scenario Lab

Party standings

Tamil Nadu Assembly Election, 2021 · 8 parties won seats

Derived
Dravida Munnetra Kazhagam — 133 seatsAll India Anna Dravida Munnetra Kazhagam — 66 seatsIndian National Congress — 18 seatsPattali Makkal Katchi — 5 seatsBharatiya Janata Party — 4 seatsViduthalai Chiruthaigal Katchi — 4 seatsCommunist Party of India — 2 seats1 other parties — 2 seats118234of 234 seats
  • DMK133
  • AIADMK66
  • INC18
  • PMK5
  • BJP4
  • VCK4
  • CPI2
  • Others2

Ring and figures are seats won.

PartySeatsVotesVote shareContested
DMKDravida Munnetra Kazhagam13357%1,74,33,63237.7%198
AIADMKAll India Anna Dravida Munnetra Kazhagam6628%1,53,90,97433.3%191
INCIndian National Congress188%19,76,5274.3%25
PMKPattali Makkal Katchi52%17,58,7743.8%23
BJPBharatiya Janata Party42%12,13,5102.6%20
VCKViduthalai Chiruthaigal Katchi42%4,57,7631.0%6
CPICommunist Party of India21%5,04,5371.1%6
CPMCommunist Party of India (Marxist)21%3,90,8190.8%6
NTKNTK00%30,41,9746.6%234
MNMMNM00%12,10,3372.6%180
AMMKAnaithu Makkal Munnetra Kazhagam00%10,86,1472.3%166
INDIndependent00%6,43,8051.4%2073

+ 89 smaller parties / independents with under 1% of the vote.

Constituency map

Tamil Nadu Assembly Election, 2021 · winner by seat

234 constituencies · tap for the winner, again for the full result

House composition

Majority line at 118

2021 · selected
Majority 118
DMK133AIADMK66INC18PMK5BJP4VCK4CPI2CPM2
2016 · previous
Majority 117

Vote share by party

Share of valid votes · 2016 → 2021

2016 2021· by party
50%38%25%13%0%
31.6
37.7
40.8
33.3
6.4
4.3
5.3
3.8
1.1
6.6
DMKAIADMKINCPMKNTK

Seat change

2021 seats minus 2016 seats

seats lostseats gained
DMK
89 → 133
+44
AIADMK
134 → 66
−68
INC
8 → 18
+10
PMK
0 → 5
+5
BJP
0 → 4
+4
VCK
0 → 4
+4
CPI
0 → 2
+2
CPM
0 → 2
+2
IUML
1 → 0
−1

Vote-share movement

Statewide, 2016 → 2021

share lostshare gained
DMK
31.6% → 37.7%
+6.1%
NTK
1.1% → 6.6%
+5.5%
MNM
0.0% → 2.6%
+2.6%
AMMK
0.0% → 2.3%
+2.3%
CPI
0.8% → 1.1%
+0.3%
KMDK
0.4% → 0.0%
−0.4%
PT
0.5% → 0.1%
−0.4%
MAMAK
0.5% → 0.0%
−0.5%
TMCM
0.5% → 0.0%
−0.5%
NOTA
1.3% → 0.7%
−0.6%

Biggest DMK–AIADMK swings

Seats where the DMK-vs-AIADMK vote gap moved most, 2016 → 2021. Bold = the seat changed hands.

Swing = (DMK share − AIADMK share) this year, minus the same gap last time. A bar to the right means the seat moved toward DMK; to the left, toward AIADMK.

toward AIADMKtoward DMK
Ramanathapuram
Tamil Nadu
+98.2%
Madurai North
Tamil Nadu
+92.3%
Dharapuram
Tamil Nadu
+86.6%
Jayankondam
Tamil Nadu
+83.1%
Tiruchirapalli (East)
Tamil Nadu
+79.0%
Royapuram
Tamil Nadu
+68.1%
Gummidipundi
Tamil Nadu
+67.9%
Krishnarayapuram
Tamil Nadu
+67.3%
Musiri
Tamil Nadu
+67.2%
Poonamallee
Tamil Nadu
+61.6%
Ambur
Tamil Nadu
+60.5%
Athoor
Tamil Nadu
+60.3%

Closest races · 2021

Ranked by margin as a share of valid votes · tap a seat for full results

All constituencies · 2021

234 seats · alphabetical · tap for full results · ⇄ = changed party since 2016