Ayer Rajah Single Member Constituency

Ayer Rajah
Former Single Member constituency for the Parliament of Singapore
Region	Singapore
Former constituency
Created	1980
Abolished	2006
Seats	1
Member(s)	Constituency Abolished
Town Council	West Coast
Replaced by	West Coast GRC

Ayer Rajah Single Member Constituency (SMC) was a single member constituency in Singapore that existed from 1980 to 2006. The SMC had only one Member of Parliament, Tan Cheng Bock, of the People's Action Party from the creation of the SMC till its abolishment.

History

Ayer Rajah Constituency was first formed during the 1980 general election. In 1988, following the establishment of Group representation constituency (GRC) and SMC, it was known as Ayer Rajah Single Member Constituency..^[1]

Ayer Rajah SMC was made up of Pandan Gardens estate, Teban Gardens estate, parts of Jurong East New Town and Clementi West New Town. In 2006, prior to the 2006 general election, it was absorbed into the West Coast GRC.^[2]

Member of Parliament

Year	Member	Party
Formation
1980	Tan Cheng Bock		PAP
1984
1988
1991
1997
2001
Constituency abolished (2006)

Electoral results

Note : Elections Department Singapore do not include rejected votes for calculation of candidate's vote share. Hence, the total of all candidates' vote share will be 100%.

Elections in 1980s

General Election 1980^[3][4]

Party		Candidate	Votes	%
	PAP	Tan Cheng Bock	12,400	83.39
	SJP	Suib bin Abdul Rahman	2,470	16.61
Majority			9,930	66.78
Total valid votes			14,870	97.20
Rejected ballots			429	2.80
Turnout			15,299	96.91
Registered electors			15,787
	PAP win (new seat)

General Election 1984^[5][6]

Party		Candidate	Votes	%	±%
	PAP	Tan Cheng Bock	14,050	75.44	7.95
	SJP	Suib bin Abdul Rahman	4,575	24.56	7.95
Majority			9,475	50.88	15.90
Total valid votes			18,625	96.40	0.80
Rejected ballots			695	3.60	0.80
Turnout			19,320	96.52	0.39
Registered electors			20,017		26.79
	PAP hold		Swing	7.95

General Election 1988^[7][8]

Party		Candidate	Votes	%	±%
	PAP	Tan Cheng Bock	14,824	69.55	5.89
	WP	Tan Song Gek	6,489	30.45	N/A
Majority			8,335	39.10	11.78
Total valid votes			21,313	98.03	1.63
Rejected ballots			429	1.97	1.63
Turnout			21,742	96.49	0.03
Registered electors			22,532		12.56
	PAP hold		Swing	5.89

Elections in 1990s

General Election 1991^[9][10]

Party		Candidate	Votes	%	±%
	PAP	Tan Cheng Bock	15,038	75.16	5.61
	PKMS	Mohammed Aziz bin Ibrahim	4,971	24.84	N/A
Majority			10,067	50.32	11.22
Total valid votes			20,009	96.28	0.12
Rejected ballots			773	3.72	0.12
Turnout			20,782	94.95	1.54
Registered electors			21,887		2.86
	PAP hold		Swing	5.61

General Election 1997^[11][12]

Party		Candidate	Votes	%	±%
	PAP	Tan Cheng Bock	15,081	73.17	1.99
	SPP	Sin Kek Tong	5,531	26.83	N/A
Majority			9,550	46.34	3.98
Total valid votes			20,612	97.76	1.48
Rejected ballots			473	2.24	1.48
Turnout			21,085	95.73	0.78
Registered electors			22,025		0.63
	PAP hold		Swing	1.99

Elections in 2000s

General Election 2001^[13][14]

Party		Candidate	Votes	%	±%
	PAP	Tan Cheng Bock	15,024	87.96	14.79
	DPP	Tan Lead Shake	2,057	12.04	N/A
Majority			12,967	75.92	29.58
Total valid votes			17,081	98.05	0.29
Rejected ballots			339	1.95	0.29
Turnout			17,420	94.29	1.44
Registered electors			18,475		16.12
	PAP hold		Swing	14.8

References

1. "13 GRCs for next general election". The Straits Times. 15 June 1988. p. 1. Retrieved 13 March 2025 – via NewspaperSG.
2. Chua, Val (4 March 2006). "BATTLE-LINES REDRAWN..." Today. p. 1. Retrieved 18 July 2025 – via NewspaperSG.
3. "ELD | 1980 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
4. "Singapore Parliamentary General Election 1980 > Ayer Rajah". sg-elections.com. Retrieved 6 August 2025.
5. "ELD | 1984 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
6. "Singapore Parliamentary General Election 1984 > Ayer Rajah". sg-elections.com. Retrieved 6 August 2025.
7. "ELD | 1988 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
8. "Singapore Parliamentary General Election 1988 > Ayer Rajah". sg-elections.com. Retrieved 11 August 2025.
9. "ELD | 1991 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
10. "Singapore Parliamentary General Election 1991 > Ayer Rajah". sg-elections.com. Retrieved 11 August 2025.
11. "ELD | 1997 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
12. "Singapore Parliamentary General Election 1997 > Ayer Rajah". sg-elections.com. Retrieved 11 August 2025.
13. "ELD | 2001 Parliamentary General Election Results". www.eld.gov.sg. Retrieved 20 May 2021.
14. "Singapore Parliamentary General Election 2001 > Ayer Rajah". sg-elections.com. Retrieved 11 August 2025.