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

For three years, a once fringe opposition party held just one seat in Japan's 248-seat upper house.Sanseito emerged as one of ...

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

The approval rating for Japanese Prime Minister Shigeru Ishiba's Cabinet dipped to a record-low 23 percent, according to a ...

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 ...