Sanseitō, an ultranationalist populist party, gained in Japan’s elections after framing immigration as a central issue.

The loss on Sunday left the Liberal Democrats a minority party in both houses of Parliament, while two new nationalist parties surged.

The success of the Sanseito party could reshape Japan’s domestic and foreign policy. It also aligns Japan with political trends in many other parts of the world.

Sanseito, a right-wing populist party in Japan that enthusiastically associates itself with U.S. President Donald Trump's "America First" ethos, caused a minor earthquake in the parliament's upper house over the weekend.

Japan’s right wing Sanseito party made surprise gains in Sunday’s election after running an anti-foreigner campaign

A mix of LDP hubris and inaction contributed to its electoral setback – and the rise of textbook-style populism.

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

Japanese Prime Minister Shigeru Ishiba pledges to remain in office after his coalition's defeat in upper house elections. Facing internal and external pressures, Ishiba grapples with rising consumer prices and U.

Following similar trends overseas, several Japanese political parties are announcing tougher regulations against foreigners in the Upper House election campaign as xenophobic sentiment spreads among certain segments of the voting population.

The issue of foreigner friendliness is of particular importance to international fund managers who have seen Tokyo lay down the welcome mat in recent years and provide them with eveything from one-stop investment assistance and mandates to help with housing and education.

Heading into the most consequential Japanese upper house election in memory and a possible defeat for the coalition of Prime Minister Shigeru Ishiba, investors are weighing whether a record sell-off in the nation's debt has further to run.