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

Who Is Sōhei Kamiya? Formed in 2020 with dissatisfied citizens who wanted 'Japanese First', his party, Sanseitō, won 14–15 seats in upper house, eroding PM Ishiba’s majority ...

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