Japan weighs alliance risks as US midterm losses shake markets
A Japanese report links a sharp Nikkei fall to AI regulation concerns, while Tokyo stresses that its US alliance remains central.
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【アメリカ中間選挙】“牙城”崩れ…トランプ大統領率いる共和党“大敗” 影響はすでに日本にも…
Things we can learn from the video
Press to jump
- 0:00Trump acknowledges Democratic campaign success, while a "VETO" hat post signals resistance to their legislative agenda.
- 2:12Dallas watch-party screens announce Democratic House control and Talarico's Texas Senate victory.
- 4:21Election graphics show Democratic control of both chambers, including gains in Kansas and Ohio.
- 5:08The report links a sharp Nikkei fall to concerns about AI regulation following the election.
- 5:25Kihara says the US alliance remains central to Japanese diplomacy and security regardless of the result.
- 6:15Mimaki argues Trump's tariff policies lack support and warns of unpredictable action before the new Congress takes office.
Tokyo's response to the US election result is both financial and diplomatic: falling shares, and a public assurance that the alliance with Washington will endure.
Japan's Nippon Television Network reports that the Nikkei 225 briefly fell more than 3,000 points as investors weighed concerns about tighter regulation of artificial intelligence following Democratic victories. Chief Cabinet Secretary Seiji Kihara says the US-Japan alliance remains the cornerstone of Japan's foreign and security policy, regardless of the election outcome.
The report pairs that statement with archival footage of Prime Minister Sanae Takaichi alongside Donald Trump, then turns to the uncertainty surrounding the remainder of his presidency.
Doshisha University professor Seiko Mimaki argues that the result shows Trump's signature policies, including tariffs, no longer command public support. She also warns of unpredictable presidential action during the roughly two months before the newly elected Congress takes office.
Those concerns follow scenes of celebration in Texas. At an Irish pub in Dallas, election-watch screens bring news of Democratic House control and James Talarico's Senate victory over Republican Ken Paxton. In Austin, correspondent Genki Yamada reports from a cheering outdoor crowd.
"We just took back Texas," Talarico tells supporters. "This win is for every Texan." The broadcaster's election graphics show Democrats securing both chambers, with gains extending into Republican-held states including Kansas and Ohio.
Trump acknowledges his opponents' campaign performance: "And I think the Democrats did a good job. I really do." But the report also shows his social media image of a red hat marked "VETO," signaling the legislative resistance Democrats could face.
Abroad, Chinese Foreign Ministry spokesperson Mao Ning treats the election as an internal US matter. Iranian parliamentary speaker Mohammad Bagher Ghalibaf offers a different interpretation on social media, saying Americans voted against war. For Tokyo, Kihara's message is continuity in the alliance despite the changed political balance in Washington.
A Japanese politician from the Liberal Democratic Party and a member of Japan's House of Representatives. He previously served as deputy chief cabinet secretary.
More on Wikipedia ›Japan's prime minister and leader of the Liberal Democratic Party since October 2025. She is the first woman to hold either position.
More on Wikipedia ›A Democratic politician and educator who is the US senator-elect from Texas. He has served in the Texas House of Representatives since 2018.
More on Wikipedia ›Texas's attorney general since 2015 and the Republican nominee for the state's US Senate seat in 2026.
More on Wikipedia ›Published on Trari
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- Channel
- 日テレNEWS
- Subscribers
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- Channel views, pace per day
- 16,988,886 (on a normal day: 5,626,643)
- Video published
- November 4, 2026
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The numbers
The report drew about 275,000 views since yesterday, placing it among Japan's most-watched new news videos.
💡 Test your knowledge
In which Japanese city is Doshisha University based?
Doshisha University, where analyst Seiko Mimaki teaches, is based in Kyoto.


