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Shigeru Ishiba: the 'smile again' Japanese PM who voters frowned on

Published by Global Banking & Finance Review

Posted on September 7, 2025

3 min read

· Last updated: January 22, 2026

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By Tim Kelly TOKYO (Reuters) -Shigeru Ishiba took over Japan's ruling party promising to revive it from scandal. Less than a year later he is stepping down as prime minister, local media reported on

Shigeru Ishiba: the 'smile again' Japanese PM who voters frowned on

Shigeru Ishiba's Political Journey and Challenges

By Tim Kelly

Electoral Setbacks and Public Discontent

TOKYO (Reuters) -Shigeru Ishiba took over Japan's ruling party promising to revive it from scandal. Less than a year later he is stepping down as prime minister, local media reported on Sunday, after three electoral losses shook the party's grip on power.

Ishiba's Policy Focus and Leadership Style

An unlikely premier who vowed to make Japan "smile again", Ishiba won the Liberal Democratic Party leadership election on his fifth attempt in late September 2024. That put him at the helm of a party that has dominated Japan's postwar politics but was at one of its lowest ebbs since its founding in 1955.

Future Prospects for Ishiba and the LDP

His brief tenure as prime minister and party president was marked by months of fraught tariff negotiations with U.S. President Donald Trump's administration, details of which were finalised just days before he was set to stand down.

At home, the self-described lone wolf saw support for his administration steadily erode as his government struggled to contain consumer price rises that fuelled growing discontent over squeezed earnings and sluggish economic growth.

THIRD STRAIGHT LOSS

In the upper house election in July, voters handed Ishiba, 68, a resounding rebuke. Many backed opposition groups promising tax cuts and tighter controls on immigration blamed for depressing wages, including the far right Sanseito party. The LDP and its coalition partner Komeito lost their majority in the chamber.

It was Ishiba's third straight electoral defeat, following setbacks in Tokyo's local elections in June and a lower house loss in October when his party was mired in a political donations scandal that forced his predecessor to resign.

A former defence minister who entered parliament in 1986 after a stint as a banker at the height of Japan's bubble economy, Ishiba was seen as a figure popular with the public who could revive the LDP's standing when he was elevated to party leader.

But within the party, he was seen by some as a contrarian and had clashed with previous leaders.

His first act as party leader was to apologise for any unpleasantness he had caused, but LDP lawmakers were not prepared to forgive him for the electoral defeats he oversaw.

With the LDP and Komeito now reliant on opposition support to stay in power, Ishiba's departure opens the door for leadership rivals like hawkish right winger Sanae Takaichi and the telegenic political scion Shinjiro Koizumi to revive their bids for the LDP's top job.

For now, Ishiba, who has also served as agriculture minister, will likely return to the back benches, where the awkward manner that earned him scorn as premier once helped him stand out in Japan's staid politics.

There he was known as a dissenting voice weighing in on contentious issues ranging from nuclear energy and the U.S.-Japan security pact to falling birthrates and separate surnames for married couples. As party leader he largely kept those views to himself.

Seen as an LDP intellectual heavyweight and expert on national security policy, Ishiba advocated for a more assertive Japan, less dependent on the U.S. for its defence. He also promoted the idea of Japan joining a NATO-like alliance in Asia.

His retreat from front-line politics may give the ex-premier more time for his other passions, such as building the plastic models of ships and planes he displays in his office and steering parliament's ramen appreciation society.

(Reporting by Tim Kelly; Editing by William Mallard)

Key Takeaways

  • Shigeru Ishiba resigned after three electoral defeats.
  • Ishiba's leadership faced public discontent over economic issues.
  • The LDP lost its majority in the upper house under Ishiba.
  • Ishiba was seen as a contrarian within his party.
  • Future LDP leadership contenders include Sanae Takaichi and Shinjiro Koizumi.

Frequently Asked Questions

What was Shigeru Ishiba's promise as Prime Minister?
Shigeru Ishiba promised to revive Japan's ruling party and make the country 'smile again'.
What led to Ishiba's resignation as Prime Minister?
Ishiba's resignation was influenced by a series of electoral defeats and declining support due to rising consumer prices.
How did voters respond to Ishiba's leadership?
Voters handed Ishiba a resounding rebuke in the upper house election, favoring opposition groups that promised tax cuts.
What challenges did Ishiba face during his tenure?
His administration struggled with tariff negotiations with the U.S. and rising consumer prices, leading to growing public discontent.
Who are potential successors to Ishiba in the LDP?
Leadership rivals include hawkish right winger Sanae Takaichi and other prominent figures within the party.

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