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.

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.

The lawyers argued that the apportionment provisions for Upper House seats did not meet the constitutional requirement of population-based proportional representation.

Investors will be keeping a close watch on the People’s Bank of China’s decision on its 1-year and 5-year loan prime rates for July, expected later in the day.

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.

The listless performance of established parties such as the Liberal Democratic Party and Komeito in Sunday’s Upper House election has confirmed the relentless decline of a long-time fixture of Japanese politics — voting blocs.

Takahiro Anno, leader of the political group Team Mirai, is set to secure his first victory in the July 20 House of Councillors proportional ･･･

Japanese voters are participating in a crucial upper house election that could determine the fate of Prime Minister Shigeru Ishiba's leadership amidst rising inflation and trade tensions with the US.