Politically, Potong Pasir had been the longest-held opposition ward in one-party dominant Singapore. Its Opposition Member of Parliament Chiam See Tong held the ward from 1984 to 2011. In 2011, the ward, led by Mrs. Lina Chiam, was lost to 3-time challenger Sitoh Yih Pin in what was the slimmest of margins of 114 votes; with 242 votes rejected. Mr. Chiam See Tong led a team of 5 to contest in the Bishan-Toa Payoh Group Representation Constituency (GRC) during that General Elections.