- 2018 – 72.67%
- 2013 – 72.44%
- 2008 – 64.68%
- 2004 – 65.17%
- 1999 – 67.65%
- 1994 – 68.59%
- 1989 – 67.57%
- 1985 – 67.25%
- 1983 – 65.67%
- 1978 – 71.90%
- 1972 – 61.57%
- 1967 – 63.10%
- 1962 – 59.00%
- 1957 – 51.30%
- 1951 – 50.38%
Data Source – 1951 to 2008 – The Election Commission of India / 2013 to 2023 – The Karnataka State Election Commission / 2023 data – tentative
Karnataka – Known as Mysore till 1973
1956 states’ reorganization – current state came into existence
Before 1956 – a much smaller Mysore state