Newcomers to the Diet account for 22 percent of the 480 winners in Sunday's Lower House election and have lowered the average age in the chamber from 55 to 54.
Those who had held Lower House seats until the chamber was dissolved June 2 accounted for 73 percent of the successful candidates, while nearly 5 percent were former lawmakers making a comeback.
While the number of newcomers was almost unchanged from the 1996 election, the new crop managed to produce the youngest successful candidate in Japanese history.