 Originally, Tampines was under the Tampines Single Member Constituency when it was still under development up until 1988, where its population was grown and made into Tampines Group Representation Constituency.The National Solidarity Party (and later Singapore Democratic Alliance in the 2001 and 2006 elections) had always contested in the town in all the general elections except in 1997, when the party was disqualified, but the ruling People's Action Party won in every election they contested.Since 2015, Tampines was divided into four Group Representation Constituencies, namely the namesake Tampines (central and regional centre), Aljunied (Bedok Reservoir and Temasek Polytechnic), East Coast (the subregion of Simei) and Pasir Ris-Punggol (northernmost region, including IKEA and Giant hypermarket).