The Sanseito party tapped into discontent over issues galvanizing voters worldwide: inflation, immigration and a political class dismissed as out of touch.

Sanseito leader Sohei Kamiya's xenophobic views, antisemitic remarks and emphasis on Japan’s ethnic purity have raised alarms.

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

Japan's election outcome may put the central bank in a double bind as prospects of big spending could keep inflation elevated while potentially prolonged political paralysis and a global trade war provide compelling reasons to go slow on rate hikes.

The embattled prime minister said he would remain in office to oversee tariff talks with the United States and other pressing matters.