Bukit Batok Single Member Constituency

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Bukit Batok
Single Member constituency
for the Parliament of Singapore
File:Bukit Batok SMC locator map.svg
RegionWest Region, Singapore
Electorate29,950
Current constituency
Created1972; 54 years ago (1972)
Seats1
PartyPeople's Action Party
MemberConstituency abolished
Town CouncilJurong–Clementi
Reformed2015
Reformed fromJurong GRC
Merged1997, 2025
Merged toJurong East–Bukit Batok GRC (2025)

Bukit Batok Single Member Constituency was a single-member constituency (SMC) in western Singapore. At abolition, it was managed by Jurong–Clementi Town Council.

History

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Bukit Batok Constituency was created in 1972 from parts of the constituencies of Bukit Timah, Chua Chu Kang and Bukit Panjang. It was renamed Bukit Batok Single Member Constituency in 1988 after the creation of group representation constituencies (GRCs) and lasted until the 1997 general election.[1]

In 2016, incumbent Member of Parliament (MP), David Ong from the governing People's Action Party (PAP), resigned after having an extramarital affair with 41 year-old Wendy Lim, who is also a member and grassroots volunteer of the People's Action Party;[2] a by-election was called to replace the empty seat.[3] On 7 May, Murali Pillai from the PAP defeated Singapore Democratic Party (SDP) secretary-general, Chee Soon Juan with a vote count of 61.2% to 38.8%.[4]

On 11 March 2025, the Elections Department Singapore updated the electoral divisions for the 2025 general election. Bukit Batok SMC was merged into Jurong East–Bukit Batok GRC.[5]

Member of Parliament

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Year Member Party
Formation
1972 Chai Chong Yii PAP
1976
1980
1984
1988 Ong Chit Chung
1991
Constituency abolished (1997 – 2015)
2015 David Ong PAP
2016 Murali Pillai
2020
Constituency abolished (2025)

Electoral results

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Note: The Elections Department does not include rejected votes when calculating the vote shares of candidates. Hence, all candidates' vote shares will total to 100% at any given election (may not appear so in multi-way contests due to rounding).

Elections in 1970s

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General Election 1972[6][7]
Party Candidate Votes %
PAP Chai Chong Yii 9,765 73.78
UNF Vetrivelu Rengaswamy 3,471 26.22
Majority 6,294 47.56
Total valid votes 13,236 97.16
Rejected ballots 387 2.84
Turnout 13,623 93.55
Registered electors 14,563
PAP win (new seat)
General Election 1976[8][9]
Party Candidate Votes % ±%
PAP Chai Chong Yii 12,216 84.57 Increase10.79
SJP Sulaiman Jaffar 2,229 15.43 N/A
Majority 9,987 69.14 Increase21.6
Total valid votes 14,445 96.88 Decrease0.28
Rejected ballots 465 3.12 Increase0.28
Turnout 14,910 95.27 Increase1.72
Registered electors 15,650 Increase7.46
PAP hold Swing Increase10.79

Elections in 1980s

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General Election 1980[10][11]
Party Candidate Votes % ±%
PAP Chai Chong Yii Unopposed
Registered electors 18,275 Increase16.77
PAP hold
General Election 1984[12][13]
Party Candidate Votes % ±%
PAP Chai Chong Yii 14,767 78.27 N/A
UPF Tan Jue Kit 4,099 21.73 N/A
Majority 10,668 56.54 N/A
Total valid votes 18,866 96.23 N/A
Rejected ballots 740 3.77 N/A
Turnout 19,606 94.21 N/A
Registered electors 20,812 Increase13.88
PAP hold Swing N/A
General Election 1988[14][15]
Party Candidate Votes % ±%
PAP Ong Chit Chung 12,873 55.94 Decrease22.33
SDP Kwan Yue Keng 10,139 44.06 N/A
Majority 2,734 11.88 Decrease44.66
Total valid votes 23,012 96.88 Increase0.65
Rejected ballots 381 3.12 Decrease0.65
Turnout 23,393 96.91 Increase2.7
Registered electors 24,138 Increase15.98
PAP hold Swing Decrease22.33

Elections in 1990s

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General Election 1991[16][17]
Party Candidate Votes % ±%
PAP Ong Chit Chung 12,205 51.8 Decrease4.1
SDP Kwan Yue Keng 11,347 48.2 Increase4.1
Majority 858 3.57 Decrease8.2
Total valid votes 23,552 97.86 Increase0.98
Rejected ballots 515 2.14 Decrease0.98
Turnout 24,067 96.6 Decrease0.3
Registered electors 24,908 Increase3.19
PAP hold Swing Decrease4.1

Elections in 2010s

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General Election 2015[18][19]
Party Candidate Votes %
PAP David Ong 18,234 73.02
SDP Sadasivam Veriyah 6,588 26.38
Independent Samir Salim Neji 150 0.60
Majority 11,646 46.64
Total valid votes 24,972 97.86
Rejected ballots 546 2.14
Turnout 25,517 94.24
Registered electors 27,077
PAP win (new seat)
By-election 2016[20][21]
Party Candidate Votes % ±%
PAP Murali Pillai 14,452 61.23 Decrease11.79
SDP Chee Soon Juan 9,150 38.77 Increase12.39
Majority 5,302 22.46 Decrease24.18
Total valid votes 23,602 97.43 Decrease0.43
Rejected ballots 622 2.57 Increase0.43
Turnout 24,192 94.03 Decrease0.21
Registered electors 25,727 Decrease4.99
PAP hold Swing Decrease12.09

Elections in 2020s

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General Election 2020[22][23]
Party Candidate Votes % ±%
PAP Murali Pillai 15,500 54.80 Decrease6.43
SDP Chee Soon Juan 12,787 45.20 Increase6.43
Majority 2,713 9.60 Decrease12.86
Total valid votes 28,287 98.15 Increase0.72
Rejected ballots 533 1.85 Decrease0.72
Turnout 28,820 96.23 Increase2.04
Registered electors 29,948 Increase16.41
PAP hold Swing Decrease6.43

References

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