previous election was held in June 2013. The LDP won 36% of the vote and 59 of 127 seats in the 2013 Tokyo prefectural election. In the previous election of 2009, the Democratic Party had managed to become strongest party after forty years of LDP dominance. In 2012, the DPJ was reduced to fourth party with 15 seats (15.2% of the vote) as the Komeito won 23 seats (14.1% of the vote) and Communists 17 seats (13.6% of the vote).

Past elections