Unlike the European Union, the Japanese government has made no indication it plans to impose any kind of reciprocal tariff on the U.S., even if the U.S. does move forward with its planned 25% tariffs on all Japanese exports.

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.