Sohei Kamiya, the charismatic leader of Japan's nationalist Sanseito party, emerged as a major force in the recent upper ...

Populist Sanseito’s rise is eroding the ruling Liberal Democratic Party’s dominance and reshaping Japan’s traditionally staid ...

A fringe far-right populist party in Japan was one of the biggest winners in the weekend's upper house election.

Sanseito, a new far-right party with a charismatic leader, Sohei Kamiya, came up big in Japan's parliamentary election by ...

The Sanseito party tapped into discontent over issues galvanizing voters worldwide: inflation, immigration and a political ...