TOKYO -- Japanese were voting Sunday for seats in the smaller of Japan's two parliamentary houses in a key election with Prime Minister Shigeru Ishiba and his ruling coalition facing a possible defeat that could worsen the country's political instability.

Japanese voters headed to the polls on Sunday to cast ballots for seats in the parliament’s upper chamber, in an election that could put Prime Minister Shigeru Ishiba’s ruling coalition on rocky

T HE IMAGE Tamaki Yuichiro wants to convey is of upward mobility. His campaign poster shows him grinning against a vivid orange backdrop, arms extended and fingers pointing skyward. The slogan beneath is hardly revolutionary: “Increase take-home pay.” But Mr Tamaki has turned this into a rallying-cry among younger voters.

Japanese Prime Minister Shigeru Ishiba is facing a critical electoral test on Sunday that could further complicate the country’s political landscape and economic recovery.

TOKYO -- Japan’s Prime Minister Shigeru Ishiba faces an increasingly uphill battle in Sunday’s upper house election, and a loss could worsen political instability at a time of daunting challenges, such as rising prices and high U.S. tariffs.

Japan’s Liberal Democratic Party is searching for a successor to Prime Minister Fumio Kishida. But is it willing to change to appease a dissatisfied public?

Japan's ruling party on Friday picked former defense minister Shigeru Ishiba as leader, setting him up to become prime minister next week.

The Japanese parliament officially elected Sigeru Ishiba as the country's new prime minister on Tuesday, replacing Fumio Kishida.