The ruling Liberal Democratic Party remains in the lead with the highest support rate ahead of the July 10 House of Councilors election, a Kyodo News survey showed Tuesday.

In the nationwide telephone survey conducted from Sunday through Tuesday, 28.3% of respondents said they will vote for the LDP, led by Prime Minister Fumio Kishida, when casting ballots under proportional representation, up 1 point from the previous poll conducted on June 18 and 19.

The main opposition Constitutional Democratic Party of Japan was second at 8.2%, up 1.2 points. Komeito, the junior coalition partner of the LDP, was at 7.2%, up 1 point, and the Japan Innovation Party at 6.1%, down 1.6 points.