The Thoothukkudi Lok Sabha constituency is one of the 39 parliamentary constituencies in Tamil Nadu. It was established in 2009 and has witnessed two general elections since then. The constituency, which will go to polls in the first phase of the Lok Sabha elections on April 19, will see the incumbent, Kanimozhi Karunanidhi, a member of the Dravida Munnetra Kazhagam (DMK), take on Sivasami Velumani from All India Anna Dravida Munnetra Kazhagam (AIADMK).

The Thoothukkudi Lok Sabha constituency comprises the following legislative assembly segments: Vilathikulam, Thoothukkudi, Tiruchendur, Srivaikuntam, Ottapidaram (Reserved for SC), Kovilpatti.

In the 2019 election, the contituency witnessed a turnout of 69.43%, or 9,91,263 voters. Kanimozhi garnered 5.63 lakh votes, or a 56.77% share of the total votes polled, defeating former Telangana Governor Tamilsai Soundararajan of Bharatiya Janata Party (BJP) by a margin of just over 3.47 lakh votes.

In the 2014 election, J Jayasingh Thiyagaraj Natterjee of the AIADMK was elected to the 16th Lok Sabha by drawing 3,66,052 votes, or a 39.92% of the total 9,16,778 ballots cast. The constituency had witnessed a turnout of 69.96% in 2014, which saw DMK’s P Jegan lose by 1.24 lakh votes.

DMK’s SR Jeyadurai had defeated AIADMK’s Cynthia Pandian by a margin of 76,649 votes to become the constituency’s first MP.

Thoothukkudi Lok Sabha constituency has seen dynamic political shifts over the years, with different parties securing victories in various elections. As we look ahead to the next general election, the constituency remains a crucial battleground for political contenders.