Japan's parliament will elect the country's new prime minister in an extraordinary parliamentary session on Oct. 4, according to a Cabinet decision on Tuesday.

This sets the date to formally designate the successor of leader Yoshihide Suga, who is stepping down.

Suga announced at the beginning of the month that he would not stand for re-election as leader of the ruling Liberal Democratic Party (LDP) at the internal party election on the Sep. 29.