Coimbatore is a Lok Sabha constituency in western Tamil Nadu , India. Its Tamil Nadu Parliamentary Constituency number is 20 of 39. It is the second-largest city of Tamil Nadu and the district headquarters of the Coimbatore district. This Coimbatore Lok Saba Constituency having third largest number of voters after Sriperumbudur and Chennai South .
Before delimitation in 2009, it consisted of the following constituencies:[ 2]
Coimbatore West (defunct)
Coimbatore East (defunct)
Perur (defunct)
Singanallur
Palladam
Tiruppur (defunct)
^ By Poll
2019 Indian general election : Coimbatore
Party
Candidate
Votes
%
CPI(M)
P. R. Natarajan
571,150
45.85
+42.90
BJP
C. P. Radhakrishnan
392,007
31.47
−2.15
MNM
R. Mahendran
145,104
11.65
NTK
S. Kalyana Sundaram
60,519
4.86
Independent
N. R. Appathurai
38,061
3.06
NOTA
None of the above
23,190
1.86
0.36
Margin of victory
179,143
14.38
10.76
Turnout
1,245,644
63.86
−3.80
Registered electors
1,958,904
13.88
CPI (M) gain from AIADMK
Swing
+8.60
2014 Indian general election : Coimbatore
Party
Candidate
Votes
%
AIADMK
P. Nagarajan
431,717
37.24
BJP
C. P. Radhakrishnan
3,89,701
33.62
+29.01
DMK
K. Ganeshkumar
2,17,083
18.73
INC
R. Prabhu
56,962
4.91
−26.03
CPI(M)
P. R. Natarajan
34,197
2.95
−32.69
NOTA
None of the above
17,428
1.50
AAP
Pon. Chandran
6,680
0.58
Margin of victory
42,016
3.62
-1.08
Turnout
11,59,192
68.40
−3.29
Registered electors
17,20,221
+47.81
AIADMK gain from CPI (M)
Swing
1.60
2009 Indian general election : Coimbatore
Party
Candidate
Votes
%
CPI(M)
P. R. Natarajan
293,165
35.64
INC
R. Prabhu
2,54,501
30.94
KNMK
E. R. Eswaran
1,28,070
15.57
DMDK
R. Pandian
73,188
8.90
BJP
G. K. S. Selvakumar
37,909
4.61
−34.13
Margin of victory
38,664
4.70
-14.02
Turnout
8,22,566
70.81
15.20
Registered electors
11,63,781
-26.54
CPI (M) gain from CPI
Swing
-21.82
2004 Indian general election : Coimbatore
Party
Candidate
Votes
%
CPI
K. Subbarayan
504,981
57.46
BJP
C. P. Radhakrishnan
3,40,476
38.74
−10.47
Independent
S. Vellingiri
11,562
1.32
BSP
A. Noor Muhamad
4,484
0.51
SHS
Moogambikai Mani
4,437
0.50
Margin of victory
1,64,505
18.72
12.53
Turnout
8,78,866
55.51
−0.15
Registered electors
15,84,223
0.81
CPI gain from BJP
Swing
8.25
1999 Indian general election : Coimbatore
Party
Candidate
Votes
%
BJP
C. P. Radhakrishnan
430,068
49.21
43.91
CPI
R. Nallakannu
3,75,991
43.02
TMC(M)
S. R. Balasubramaniam
45,205
5.17
Independent
R. Lakshmana Narayanan
9,502
1.09
Margin of victory
54,077
6.19
-11.80
Turnout
8,74,020
55.63
−8.77
Registered electors
15,71,475
5.09
BJP hold
Swing
-7.59
1998 Indian general election : Coimbatore
Party
Candidate
Votes
%
BJP
C. P. Radhakrishnan
449,269
55.85
DMK
K. R. Subbian
3,04,593
37.86
INC
R. Krishnan
40,739
5.06
BSP
S. T. Kalyanasundaram
4,596
0.57
Margin of victory
1,44,676
17.98
-14.19
Turnout
8,04,485
55.28
−9.12
Registered electors
14,95,356
13.53
BJP gain from DMK
Swing
-0.95
1996 Indian general election : Coimbatore
Party
Candidate
Votes
%
DMK
M. Ramanathan
463,807
56.79
INC
C. K. Kuppuswamy
2,01,020
24.61
−34.05
CPI(M)
P. R. Natarajan
85,355
10.45
−21.52
BJP
K. S. Natarajan
43,289
5.30
−1.48
Margin of victory
2,62,787
32.18
5.48
Turnout
8,16,665
64.40
3.54
Registered electors
13,17,120
11.71
DMK gain from INC
Swing
-1.88
1991 Indian general election : Coimbatore
Party
Candidate
Votes
%
INC
C. K. Kuppuswamy
408,891
58.67
1.99
CPI(M)
K. Ramani
2,22,827
31.97
−6.10
BJP
V. Narayanan
47,267
6.78
3.44
IUML
A. Abeeb Rahman
3,381
0.49
Margin of victory
1,86,064
26.70
8.09
Turnout
6,96,942
60.86
−4.09
Registered electors
11,79,032
0.44
INC hold
Swing
1.99
1989 Indian general election : Coimbatore
Party
Candidate
Votes
%
INC
C. K. Kuppuswamy
426,721
56.68
−1.10
CPI(M)
R. Umanath
2,86,653
38.07
−3.04
BJP
V. Narayanan
25,132
3.34
Margin of victory
1,40,068
18.60
1.94
Turnout
7,52,918
64.95
−6.37
Registered electors
11,73,906
30.03
INC hold
Swing
-1.10
1984 Indian general election : Coimbatore
Party
Candidate
Votes
%
INC
C. A. Balakrishnan
355,525
57.77
CPI(M)
R. Umanath
2,53,006
41.11
Independent
J. Stephen
6,834
1.11
Margin of victory
1,02,519
16.66
5.66
Turnout
6,15,365
71.32
5.25
Registered electors
9,02,773
14.96
INC gain from DMK
Swing
3.48
1980 Indian general election : Coimbatore
Party
Candidate
Votes
%
DMK
R. Ram Mohan Alias Era Mohan
276,975
54.29
CPI
Parvathi Krishnan
2,20,866
43.29
INC(U)
K. Ramalingam
4,219
0.83
Independent
B. Rajan Alias Rajagopal
3,166
0.62
Margin of victory
56,109
11.00
6.88
Turnout
5,10,166
66.06
−4.33
Registered electors
7,85,260
5.65
DMK gain from CPI
Swing
2.23
1962 Indian general election : Coimbatore
Party
Candidate
Votes
%
INC
P. R. Ramakrishnan
151,019
39.06
−2.21
CPI
Parvathi Krishnan
1,08,458
28.05
SWA
K. Sundaram
74,932
19.38
DMK
Somasundaram
41,724
10.79
SLP
V. N. Arunachyalam
7,516
1.94
Independent
S. Arumugham
2,977
0.77
Margin of victory
42,561
11.01
4.52
Turnout
3,86,626
78.08
28.06
Registered electors
5,09,869
10.29
INC gain from CPI
Swing
-8.70
Template:Election box winning candidate unopposed with party link
2009-present 1977-2004 1952-77
11°00′N 77°00′E / 11.0°N 77.0°E / 11.0; 77.0