Exit polls indicate Japan's ruling coalition may lose its majority in the upper house, escalating political instability. Prime Minister Shigeru Ishiba's grip weakens, further challenged by a looming tariff deadline with the U.

Japan's ruling coalition, led by Prime Minister Shigeru Ishiba, lost its majority in the upper house, intensifying political uncertainty amid economic woes and rising populism. Voters expressed frustration over stagnant wages,

A variety of scenarios await the country should the ruling coalition lose its majority in the Upper House — from an enlarged coalition to an opposition-led government.