2011 General Election

Main Event

Event	Date
Nomination day	27 April 2011
Polling day	7 May 2011

Electoral Boundaries

• Bukit Panjang SMC
• Hong Kah North SMC
• Hougang SMC
• Joo Chiat SMC
• Mountbatten SMC
• Pioneer SMC
• Potong Pasir SMC
• Punggol East SMC
• Radin Mas SMC
• Sengkang West SMC
• Whampoa SMC
• Yuhua SMC

4-Members Group Representative Constituency

• Holland–Bukit Timah GRC
• Moulmein–Kallang GRC

5-Members Group Representative Constituency

• Aljunied GRC
• Bishan–Toa Payoh GRC
• Chua Chu Kang GRC
• East Coast GRC
• Jurong GRC
• Marine Parade GRC
• Nee Soon GRC
• Sembawang GRC
• Tampines GRC
• Tanjong Pagar GRC
• West Coast GRC

6-Members Group Representative Constituency

• Ang Mo Kio GRC
• Pasir Ris–Punggol GRC

Changes in boundaries Expand

Constituency	Changes
GRC
Aljunied GRC	Absorbed portions of Kaki Bukit division from Marine Parade GRC Carved out part of Aljunied–Hougang division to Ang Mo Kio GRC GRC, and part of Aljunied–Hougang and Bedok Reservoir-Punggol divisions to Pasir Ris–Punggol GRC
Ang Mo Kio GRC	Absorbed Aljunied–Hougang division from Aljunied GRC and Yio Chu Kang SMC Carved out Nee Soon South division into Nee Soon GRC Carved out Sengkang West division into Sengkang West SMC
Chua Chu Kang GRC	Formed from Chua Chu Kang SMC and most of Hong Kah GRC
East Coast GRC	Carved out part of Kampong-Chai Chee division to Marine Parade GRC
Holland–Bukit Timah GRC	Carved out Buona Vista division into Tanjong Pagar GRC Carved out part of Bukit Timah to West Coast GRC Carved out part of Toh Guan to Jurong GRC
Jurong GRC	Part of Jurong Central and Taman Jurong divisions, Hong Kah GRC and West Coast GRC were formed into Jurong Spring division
Marine Parade GRC	Absorbed MacPherson SMC Part of Kaki Bukit division, Kampong Ubi-Kembangan division and Kampong Chai Chee division from East Coast GRC were formed into Kembangan-Chai Chee division Carved out part of Kaki Bukit division to Aljunied GRC Carved out Mountbatten division into Mountbatten SMC
Moulmein–Kallang GRC	Formed from most of Jalan Besar GRC and Moulmein division from Tanjong Pagar GRC
Nee Soon GRC	Formed from Nee Soon Central SMC, Nee Soon East SMC, Nee Soon South division from Ang Mo Kio GRC and Canberra and Chong Pang divisions from Sembawang GRC
Pasir Ris–Punggol GRC	Carved out Punggol East division into Punggol East SMC Carved out part of Punggol South division to Ang Mo Kio GRC Part of Punggol Central and North divisions were formed into Punggol West division
Sembawang GRC	Carved out Canberra and Chong Pang divisions to Nee Soon GRC Part of Sembawang and Woodlands were formed into Woodgrove division.
Tanjong Pagar GRC	Absorbed Buona Vista and Kreta Ayer–Kim Seng divisions from Holland–Bukit Timah GRC and Jalan Besar GRC respectively Carved out Moulmein division into Moulmein–Kallang GRC Carved out Radin Mas division into Radin Mas SMC Merged Tanjong Pagar and Tiong Bahru divisions to form Tanjong Pagar-Tiong Bahru division
West Coast GRC	Carved out part of Pioneer division into Pioneer SMC while the rest absorbed to Ayer Rajah division Ayer Rajah-West Coast division were split into Ayer Rajah and West Coast divisions.

Results

Parties and alliances		Leader	Seats		Popular vote	%	±
			Contested	Won
	1 People's Action Party	Lee Hsien Loong	87	81	1,212,154	60.14	▼ 6.46
	1 Workers' Party	Low Thia Khiang	23	6	258,510	12.83	▼ 3.51
	1 National Solidarity Party	Teo Kway Huang, Sebastian	24	0	242,682	12.04	New
	1 Singapore Democratic Party	Chee Soon Juan	11	0	97,369	4.83	▲ 0.74
	1 Reform Party	Kenneth Andrew Jeyaretnam	11	0	86,294	4.28	New
	1 Singapore People's Party	Chiam See Tong	7	0	62,639	3.11	New
	1 Singapore Democratic Alliance	Lim Bak Chuan Desmond	7	0	55,988	2.78	▼ 10.18
Electorate					2,350,873
Walkover					139,771
Total Votes cast					2,060,373	93.18
Valid Votes					2,015,636	97.83