Japan’s Prime Minister Sanae Takaichi’s ruling Liberal Democratic Party secured a sweeping win in Sunday’s parliamentary elections, capturing about 316 seats in the 465-member lower house and achieving a governing supermajority alongside allies. The result gives her a strong mandate to advance a conservative agenda focused on defense, immigration and economic reforms, the Associated Press reported.

A heavy metal fan and drummer, Takaichi — who has long cited former British PM Margaret Thatcher as a personal and political inspiration — expressed gratitude for President Trump’s support, thanking him for his congratulatory message following the victory and signaling continued alignment with Washington.

Trump praised her leadership in a post after the results were announced. “Congratulations to Prime Minister Sanae Takaichi and her Coalition on a LANDSLIDE Victory in today’s very important Vote,” Trump wrote on social media, “Sanae’s bold and wise decision to call for an election paid off big time. Her Party now runs the Legislature, holding a HISTORIC TWO THIRDS SUPERMAJORITY — The first time since World War II. Sanae: It was my Honor to Endorse you and your Coalition. I wish you Great Success in passing your Conservative, Peace Through Strength Agenda. The wonderful people of Japan, who voted with such enthusiasm, will always have my strong support.”

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The election outcome represents one of the strongest performances for the ruling party in years and solidifies Takaichi’s position only months after taking office as Japan’s first female prime minister.

Following the results, Takaichi said she was prepared to move forward with policies aimed at making Japan “strong and prosperous,” as she seeks to implement reforms and bolster national security, the Associated Press reported.

Her agenda includes boosting defense spending, revising security policies and stimulating economic growth, while maintaining a tougher posture toward regional threats such as China. Known for her hawkish stance on Beijing, Takaichi is expected to maintain Japan’s close alignment with the United States.

“Takaichi’s landslide win shows other leaders that defiance of China can be popular with voters. Nobody has to appease or please Xi Jinping anymore,” Asia analyst Gordon Chang told Fox News Digital.

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U.S. officials also welcomed the outcome. Treasury Secretary Scott Bessent described aid on Fox News’ “Sunday Morning Futures With Maria Bartiromo” that Takaichi is a strong ally and emphasized that her leadership strengthens the strategic partnership between Washington and Tokyo.

Takaichi’s victory is widely seen as a geopolitical signal as well as a domestic political triumph. Analysts say the strengthened mandate could deepen cooperation with the United States on security and economic policy at a time of rising tensions in the Indo-Pacific.

The snap election, called just months into her premiership, was widely viewed as a referendum on her leadership. With the opposition fragmented, voters delivered a decisive result that now gives Takaichi political space to pursue her agenda through the remainder of the parliamentary term.

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Takaichi backs strengthening Japan’s defense posture and supports constitutional revision to expand the role of the military. Economically, she has praised the stimulus-driven policies associated with former Prime Minister Shinzo Abe.

Her public thanks to Trump underscores how central the U.S. alliance remains to Tokyo’s strategy moving forward, experts say, as she prepares to translate electoral momentum into legislative and security action at home and abroad.

Reuters and the Associated Press contributed to this report.