This is a summary of the electoral history of Mamata Banerjee, who is currently serving as the 8th Chief Minister of West Bengal, since May 2011.
Summary.
West Bengal Legislative Assembly elections.
^By poll
Detailed results.
Lok Sabha elections.
Lok Sabha Election 1984.
 
Lok Sabha Election 1989.
 
West Bengal Legislative Assembly elections.
Bye-election, 2011.
The bypoll to the Bhowanipore seat was necessitated after sitting MLA of Trinamool Congress Subrata Bakshi resigned to make way for the Chief Minister Mamata Banerjee to contest. She had not contested the state assembly elections earlier. She had to become a member of the state assembly within six months of her assuming office as Chief Minister as per the rules of the Constitution of India.
2021.
In the 2021 elections, Suvendu Adhikari of BJP defeated his nearest rival and incumbent chief minister Mamata Banerjee of TMC.