List of Electoral Boundaries Divisions

Division	1955	1959	1963	1968	1972	1976	1980	1984	1988	1991	1997	2001	2006	2011	2015	2020
Alexandra	–			Alexandra SMC					Brickworks GRC	–	–	–	–	–	–	–
Aljunied	–	Aljunied SMC							Aljunied GRC			–	–	–	–	–
Aljunied–Hougang	–								–	–	–	Aljunied GRC		–	–	–
Aljunied–Kembangan	–								–	–	–	Aljunied GRC	–	–	–	–
Ang Mo Kio	–					Ang Mo Kio SMC				Ang Mo Kio GRC		–	–	–	–	–
Ang Mo Kio–Hougang	–								–	–	–	–	–	Ang Mo Kio GRC
Anson	–	Anson SMC							–	–	–	–	–	–	–	–
Ayer Rajah	–						Ayer Rajah SMC						–	–	–	–
Bedok	–					Bedok SMC			Bedok GRC		East Coast GRC
Bedok Reservoir–Punggol	–								–	–	–	–	Aljunied GRC
Bishan East	–								–	–	Bishan–Toa Payoh GRC				–	–
Bishan East–Thomson	–								–	–	–	–	–	–	Bishan–Toa Payoh GRC
Bishan North	–								–	–	–	–	–	Bishan–Toa Payoh GRC
Bishan–Toa Payoh North	–								–	–	Bishan–Toa Payoh GRC			–	–	–
Bo Wen	–							Bo Wen SMC	–	–	–	–	–	–	–	–
Boon Lay	–					Boon Lay SMC						–	–	–	–	–
Boon Teck	–				Boon Teck SMC				–	–	–	–	–	–	–	–
Braddell Heights	–					Braddell Heights SMC					–	–	–	–	–	–
Bras Basah	–	Bras Basah SMC				–			–	–	–	–	–	–	–	–
Brickworks	–					Brickworks SMC			Brickworks GRC		–	–	–	–	–	–
Bukit Batok	–				Bukit Batok SMC						Bukit Timah GRC	–	–	–	Bukit Batok SMC
Bukit Gombak	–								Bukit Gombak SMC			–	–	Chua Chu Kang GRC
Bukit Ho Swee	–			Bukit Ho Swee SMC				–	–	–	–	–	–	–	–	–
Bukit Merah	–	Bukit Merah SMC									–	–	–	–	–	–
Bukit Panjang	Bukit Panjang SMC									Sembawang GRC		Holland–Bukit Panjang GRC	Bukit Panjang SMC
Bukit Timah	Bukit Timah SMC										Bukit Timah GRC	Bukit Timah SMC	Holland–Bukit Timah GRC
Buona Vista	–					Buona Vista SMC					–	Holland–Bukit Panjang GRC	Holland–Bukit Timah GRC	–	–	–
Cairnhill	Cairnhill SMC									–	–	–	–	–	–	–
Cashew	–								–	–	–	Holland–Bukit Panjang GRC	Holland–Bukit Timah GRC
Changi	Changi SMC										–	–	–	–	–	–
Changi–Simei	–								–	–	Aljunied GRC	East Coast GRC
Changkat	–							Changkat SMC	–	–	–	–	–	–	–	–
Cheng San	–						Cheng San SMC		Cheng San GRC			Ang Mo Kio GRC	–	–	–	–
Cheng San–Seletar	–								–	–	–	–	Ang Mo Kio GRC
Chong Boon	–						Chong Boon SMC		Cheng San GRC		–	–	–	–	–	–
Chua Chu Kang	–	Chua Chu Kang SMC												Chua Chu Kang GRC
Clementi	–						Clementi SMC		–	Brickworks GRC	–	–	–	–	–	–
Crawford	–	Crawford SMC				–			–	–	–	–	–	–	–	–
Delta	–	Delta SMC							–	–	–	–	–	–	–	–
Eunos	–							Eunos SMC	Eunos GRC		Aljunied GRC
Farrer Park	Farrer Park SMC						–		–	–	–	–	–	–	–	–
Fengshan	–							Fengshan SMC		Bedok GRC	East Coast GRC				Fengshan SMC	East Coast GRC
Geylang	Geylang SMC	–							–	–	–	–	–	–	–	–
Geylang East	–	Geylang East SMC					–		–	–	–	–	–	–	–	–
Geylang Serai	–	Geylang Serai SMC							–	–	–	–	–	–	–	–
Geylang West	–	Geylang West SMC							–	–	–	–	–	–	–	–
Havelock	Havelock SMC							–	–	–	–	–	–	–	–	–
Henderson	–				Henderson SMC				–	–	–	–	–	–	–	–
Jalan Kayu	–	–	–	–	–	–	–	–	Cheng San GRC			Ang Mo Kio GRC
Joo Chiat	–	Joo Chiat SMC							–	–	East Coast GRC	Joo Chiat SMC			–	–
Jurong	–	–	–	–	–	–	–	–	–	–	Bukit Timah GRC	–	–	–	–	–
Kaki Bukit	–	–	–	–	–	–	–	–	Eunos GRC		East Coast GRC		–	Aljunied GRC
Kampong Chai Chee	–	–	–	–	–	–	–	–	Bedok GRC		East Coast GRC
Kampong Kembangan	–	–	–	–	–	–	–	–	Aljunied GRC			–	–	–	–	–
Kampong Ubi	–	–	–	–	–	–	–	–	Aljunied GRC		–	–	–	–	–	–
Keat Hong	–	–	–	–	–	–	–	–	–	–	–	–	–	Chua Chu Kang GRC
Kebun Baru	–	–	–	–	–	–	Kebun Baru SMC			Ang Mo Kio GRC					–	Kebun Baru SMC
Kembangan–Punggol	–	–	–	–	–	–	–	–	–	–	–	Aljunied GRC	–	–	–	–
Nanyang	–	–	–	–	–	–	–	–	–	–	–	–	–	Chua Chu Kang GRC
Nee Soon South	–	–	–	–	–	–	–	–	–	–	Ang Mo Kio GRC			–	–	–
Pasir Ris	–	–	–	–	–	–	–	–	–	Eunos GRC	–	–	–	–	–	–
Paya Lebar	Paya Lebar SMC									Aljunied GRC
Punggol	–	–	–	–	–	–	–	–	–	Cheng San GRC	–	–	–	–	–	–
Punggol Central	–	–	–	–	–	–	–	–	–	–	Cheng San GRC	–	–	–	–	–
Punggol East	–	–	–	–	–	–	–	–	–	–	Cheng San GRC	–	–	–	–	–
Punggol South	–	–	–	–	–	–	–	–	–	–	Cheng San GRC	–	–	–	–	–
Queenstown	–	–	–	–	–	–	–	–	Brickworks GRC		–	–	–	–	–	–
Sengkang South	–	–	–	–	–	–	–	–	–	–	–	–	–	–	Ang Mo Kio GRC
Sengkang West	–	–	–	–	–	–	–	–	–	–	–	–	Ang Mo Kio GRC	–	–	–
Serangoon	–	–	–	–	–	–	–	–	–	–	–	–	Aljunied GRC
Siglap	–	–	–	–	–	–	–	–	–	Bedok GRC	East Coast GRC
Tampines North	–	–	–	–	–	–	–	–	Eunos GRC		–	–	–	–	–	–
Tanah Merah	–	–	–	–	–	–	–	–	Bedok GRC	–	–	–	–	–	–	–
Teck Ghee	–	–	–	–	–	–	–	–	–	Ang Mo Kio GRC
Thomson	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC			–	–	–
Thomson–Toa Payoh	–	–	–	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC	–	–
Toa Payoh Central	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC
Toa Payoh East	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC				–	–
Toa Payoh East–Novena	–	–	–	–	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC
Toa Payoh West–Balestier	–	–	–	–	–	–	–	–	–	–	–	–	–	–	Bishan–Toa Payoh GRC
Ulu Pandan	–	–	–	–	–	–	–	–	–	–	Bukit Timah GRC	Holland–Bukit Panjang GRC	Holland–Bukit Timah GRC
West Coast	–	–	–	–	–	–	–	–	–	Brickworks GRC	–	–	–	–	–	–
Yew Tee	–	–	–	–	–	–	–	–	–	–	–	–	–	Chua Chu Kang GRC	–	–
Yio Chu Kang	–	–	–	–	–	–	–	–	–	Ang Mo Kio GRC			Yio Chu Kang SMC	Ang Mo Kio GRC		Yio Chu Kang SMC
Yuhua	–	–	–	–	–	–	–	–	–	–	Bukit Timah GRC	–	–	–	–	–
Zhenghua	–	–	–	–	–	–	–	–	–	–	–	Holland–Bukit Panjang GRC	Holland–Bukit Timah GRC