Prime Minister Ishiba Shigeru and his Liberal Democratic Party were projected to lose their majority coalition government in Japan's Upper House of Parliament on Monday.

Japan’s shaky ruling coalition is likely to lose its majority in the upper house, exit polls showed after Sunday’s election, potentially heralding political turmoil as a tariff deadline with the United States looms.

Japan's ruling coalition, led by Prime Minister Shigeru Ishiba's Liberal Democratic Party (LDP), has suffered another setback in elections to the upper house of parliament, exit polls predicted on Sunday.