| # | Years | Size | Links | |
|---|---|---|---|---|
| In | 1910–1989 | 27.3% | ||
| Ot | 1958–1987 | 22.5% | ||
| ANC | 1994–2009 | 69.7% | ||
| COPE | 2009–2009 | 7.4% | ||
| CP | 1969–1989 | 31.5% | ||
| DA | 2004–2009 | 16.7% | ||
| DP | 1989–1999 | 20.0% | ||
| DP | 1938–1943 | 6.3% | ||
| DRP | 1989–1989 | 5.9% | ||
| FP | 1969–1994 | 27.5% | ||
| GNP | 1938–1938 | 31.3% | ||
| HNP | 1948–1948 | 37.7% | ||
| HNP | 1943–1943 | 36.7% | ||
| IFP | 1994–2009 | 10.5% | ||
| LP | 1969–1989 | 95.0% | ||
| NFP | 1989–1989 | 5.3% | ||
| NNP | 1999–2004 | 6.9% | ||
| NP | 1915–1994 | 72.2% | ||
| NPP | 1969–1989 | 45.0% | ||
| NRP | 1977–1987 | 12.1% | ||
| NU | 1961–1961 | 6.3% | ||
| PFP | 1977–1987 | 16.7% | ||
| PP | 1961–1974 | 8.6% | ||
| RP | 1933–1933 | 8.6% | ||
| SALP | 1910–1961 | 15.7% | ||
| SAP | 1910–1977 | 54.5% | ||
| SAPUP | 1924–1924 | 39.6% | ||
| SOL | 1984–1989 | 42.5% | ||
| UP | 1910–1920 | 31.4% | ||
| UP | 1938–1989 | 53.8% |