Japan and United States

Japan scores 88/100 toward United States (explicit support, alliance), while United States scores 88/100 back.

Japan toward United States

Mutual security treaty, hosted forces and close policy coordination

United States toward Japan

Mutual security treaty and the anchor of United States posture in the region

Recent coverage

• Japan, U.S. agree "orderly" yen rates crucial for financial stability - Japan Wire by Kyodo News Google News: Japan + United States, 2026-09-01
• North Korea-U.S. summit ‘possible at any time,’ Seoul spy agency says - The Japan Times Google News: Japan + North Korea, 2026-09-01
• Japan Times 2001: Terrorists attack United States - japantimes.co.jp Google News: Japan + United States, 2026-08-31
• War weighs on Iran’s economy as U.S. intensifies sanctions - The Japan Times Google News: Iran + Japan, 2026-08-30
• Japan, U.S. and South Korea to hold joint military exercises from Sept. 7 - The Japan Times Google News: Japan + North Korea, 2026-08-29
• Iran lashes out at U.S. sanctions amid economic toll at home - The Japan Times Google News: Iran + Japan, 2026-08-29
• U.S., South Korea and Japan to hold drill as North Korea ramps up pressure on U.S. NPR World, 2026-08-28
• U.S. says it’s committed to North Korea’s ‘denuclearization’ after talks omit key phrase - The Japan Times Google News: Japan + North Korea, 2026-08-27
• U.S.-Japan Alliance Deepens as Trade Tensions Threaten Relations - legis1.com Google News: China + Japan, 2026-08-26
• Japan-U.S.-ROK Trilateral Coordinating Secretariat Meeting - mofa.go.jp Google News: Japan + North Korea, 2026-08-25
• North Korea’s denuclearization absent from readouts of latest U.S.-South Korea talks - The Japan Times Google News: North Korea + South Korea, 2026-08-25
• Iran says new sanctions threatened by 'desperate' U.S. will fail - Japan Today Google News: Iran + Japan, 2026-08-24
• Iran condemns U.S. plans to announce new sanctions - Japan Today Google News: Iran + Japan, 2026-08-22
• U.S. will impose 'toughest sanctions in history' on Iran, Bessent says - Japan Today Google News: Iran + Japan, 2026-08-20
• China urges S. Korea to seek friendly ties, blames U.S. for Korean tensions - Japan Wire by Kyodo News Google News: China + South Korea, 2026-08-20