Ottawa West--Nepean — Canadian Federal Election Results
Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30
Ottawa West--Nepean was won by Liberal at the 2021 general election, with a margin of 9,416 votes over Conservative. This page covers every general election in Ottawa West--Nepean from 1997 to 2021.
Full Election History, 1997–2021
Election
Winner
Party
Votes
Vote Share
Runner-up
Margin
1997
Liberal
Liberal
29,511
54.0%
Reform (11,601)
17,910 (32.8 pts)
2000
Liberal
Liberal
22,606
43.3%
Canadian Alliance (14,753)
7,853 (15.0 pts)
2004
Liberal
Liberal
23,971
41.8%
Conservative (22,591)
1,380 (2.4 pts)
2006
Conservative
Conservative
25,607
43.1%
Liberal (20,250)
5,357 (9.0 pts)
2008
Conservative
Conservative
25,109
45.0%
Liberal (20,161)
4,948 (8.9 pts)
2011
Conservative
Conservative
25,226
44.7%
Liberal (17,790)
7,436 (13.2 pts)
2015
Liberal
Liberal
35,199
55.9%
Conservative (18,893)
16,306 (25.9 pts)
2019
Liberal
Liberal
28,378
45.6%
Conservative (16,876)
11,502 (18.5 pts)
2021
Liberal
Liberal
25,889
45.1%
Conservative (16,473)
9,416 (16.4 pts)
Full Result Breakdown by Election
1997
Party
Votes
Share
Liberal
29,511
54.0%
Reform
11,601
21.2%
Progressive Conservative
8,489
15.5%
NDP
4,163
7.6%
Green
416
0.8%
Independent
211
0.4%
Natural Law Party of Canada
153
0.3%
Marxist-Leninist Party
90
0.2%
2000
Party
Votes
Share
Liberal
22,606
43.3%
Canadian Alliance
14,753
28.3%
Progressive Conservative
10,507
20.1%
NDP
2,718
5.2%
Green
585
1.1%
Marijuana Party
423
0.8%
Canadian Action Party
376
0.7%
Independent
89
0.2%
Communist
70
0.1%
Natural Law Party of Canada
58
0.1%
2004
Party
Votes
Share
Liberal
23,971
41.8%
Conservative
22,591
39.4%
NDP
7,449
13.0%
Green
2,748
4.8%
Marijuana Party
430
0.7%
Canadian Action Party
121
0.2%
Marxist-Leninist Party
68
0.1%
2006
Party
Votes
Share
Conservative
25,607
43.1%
Liberal
20,250
34.1%
NDP
9,626
16.2%
Green
2,941
4.9%
Independent
905
1.5%
Canadian Action Party
121
0.2%
2008
Party
Votes
Share
Conservative
25,109
45.0%
Liberal
20,161
36.1%
NDP
6,432
11.5%
Green
3,558
6.4%
Independent
414
0.7%
Communist
150
0.3%
2011
Party
Votes
Share
Conservative
25,226
44.7%
Liberal
17,790
31.5%
NDP
11,128
19.7%
Green
2,279
4.0%
2015
Party
Votes
Share
Liberal
35,199
55.9%
Conservative
18,893
30.0%
NDP
6,195
9.8%
Green
1,772
2.8%
Christian Heritage Party of Canada
740
1.2%
Marxist-Leninist Party
114
0.2%
2019
Party
Votes
Share
Liberal
28,378
45.6%
Conservative
16,876
27.1%
NDP
11,646
18.7%
Green
3,894
6.3%
People's Party
839
1.3%
Christian Heritage Party of Canada
351
0.6%
Communist
103
0.2%
Independent
71
0.1%
Marxist-Leninist Party of Canada
48
0.1%
2021
Party
Votes
Share
Liberal
25,889
45.1%
Conservative
16,473
28.7%
NDP
11,163
19.4%
People's Party
1,908
3.3%
Green
1,642
2.9%
Christian Heritage Party of Canada
327
0.6%
Margin Over Time
Winning margin (percentage points) at each contested election, coloured by the winning party. Acclaimed elections (no opposing candidate) aren't plotted since there's no margin to measure.
Trend
Ottawa West--Nepean has been contested at 9 general elections on record since 1997. Winning parties over that span: Liberal, Conservative.
Frequently Asked Questions
Who won Ottawa West--Nepean in the 2021 general election?
Liberal won Ottawa West--Nepean in 2021 with 25,889 votes (45.1%), a margin of 9,416 votes over Conservative in second place.
Which parties have won Ottawa West--Nepean since 1997?
Since 1997, Ottawa West--Nepean has been won by: Conservative, Liberal.
What was the closest result in Ottawa West--Nepean?
The closest contested result on record for Ottawa West--Nepean was 2004, when Liberal beat Conservative by 1,380 votes (2.4 percentage points).