| Contents |
| List of prime ministers |
| List of deputy prime ministers |
| External link |
| Prime Minister | Start of Term | End of Term | Mandate Support | PM Ward Contested |
|---|---|---|---|---|
| Lee Kuan Yew | 3 June 1959 | 28 November 1990 | 1968 GE 94.34% 1972 GE 84.08% 1976 GE 89.03% 1980 GE 92.74% 1988 GE 81.60% | Tanjong Pagar |
| Goh Chok Tong | 28 November 1990 | 12 August 2004 | 1991 GE 77.25% 1992 BE 72.94% | Marine Parade |
| Lee Hsien Loong | 12 August 2004 | ''Incumbent'' | 2006 GE 66.14% | Ang Mo Kio |
| Deputy Prime Minister | Start of Term | End of Term |
|---|---|---|
| Toh Chin Chye | 1959 | 1968 |
| Goh Keng Swee | 1968 | 1986 |
| Sinnathamby Rajaratnam | 1980 | 1985 |
| Goh Chok Tong | 1985 | 1990 |
| Ong Teng Cheong | 1985 | 1993 |
| Lee Hsien Loong | 1990 | 2004 |
| Tan Keng Yam Tony | 1995 | 2005 |
| Shunmugam Jayakumar | 2004 | ''In office'' |
| Wong Kan Seng | 2005 | ''In office'' |