This is a list of defunct electoral divisionsof Singapore .
In 1988, following the establishment of group representation constituency (GRC) and single-member constituency (SMC), all the constituencies are renamed as single-member constituency or group representation constituency respectively. [1]
In 2025, several GRCs were abolished to create double-barrelled named GRCs to "better reflect the identities of the geographical areas in the GRCs". [2] [3]