South Korea → United States
This score represents South Korea's relationship toward United States. The reverse direction is calculated separately and shown alongside it.
SIX-COMPONENT MODEL
Current component scores
Component values run from −100 to +100 and are combined with the published weights.
3 documented factors produce the +95 security assessment.
Why this score?
- +60A mutual-defence treaty remained in forceBaseline rule · 2015
A mutual-defence treaty remained in force.
- +19.6Combined planning, forces and standing operational mechanisms integrated allied defenceBaseline rule · 2015
Combined planning, forces and standing operational mechanisms integrated allied defence.
- +15Washington Declaration deepens extended deterrenceActive event · 2023
The allies establish the Nuclear Consultative Group and expand joint planning, exercises and strategic consultation.
4 documented factors produce the +61 diplomacy assessment.
Why this score?
- +15.7A leader visit produced wide-ranging bilateral outcomesBaseline rule · 2015
A leader visit produced wide-ranging bilateral outcomes.
- +7.8Standing ministerial, military and policy dialogues operated across the allianceBaseline rule · 2015
Standing ministerial, military and policy dialogues operated across the alliance.
- +27.4The governments documented an enduring strategic and democratic partnershipBaseline rule · 2015
The governments documented an enduring strategic and democratic partnership.
- +10Washington Declaration deepens extended deterrenceActive event · 2023
The allies establish the Nuclear Consultative Group and expand joint planning, exercises and strategic consultation.
1 documented factor produce the +35 economic assessment.
Why this score?
- +35Bilateral trade thresholdBaseline rule · 2015
Reported trade activates the absolute methodology route using the latest observation available for this year.
2 documented factors produce the +49 alignment assessment.
Why this score?
- +39.2The allies coordinated across regional security, global policy and the international orderBaseline rule · 2015
The allies coordinated across regional security, global policy and the international order.
- +10Washington Declaration deepens extended deterrenceActive event · 2023
The allies establish the Nuclear Consultative Group and expand joint planning, exercises and strategic consultation.
1 documented factor produce the +12 disputes assessment.
Why this score?
- +11.8The alliance operated within a durable cooperative order without a bilateral territorial claimBaseline rule · 2015
The alliance operated within a durable cooperative order without a bilateral territorial claim.
1 documented factor produce the +16 societal assessment.
Why this score?
- +15.7Official programs supported broad education, science, cultural and citizen exchangeBaseline rule · 2015
Official programs supported broad education, science, cultural and citizen exchange.
+50 in 2015 → +58 in 2026
The change is generated from sourced events and frozen scoring rules, not retrospective editorial adjustment.
0 points
South Korea → United States and United States → South Korea remain independent assessments.
View the reverse direction →ACTIVE EVIDENCE
Events affecting the current score
Washington Declaration deepens extended deterrence
The allies establish the Nuclear Consultative Group and expand joint planning, exercises and strategic consultation.
This analytical score is not an objective fact, endorsement or prediction. Confidence reflects evidence coverage, while incomplete or unavailable observations remain explicit. Differences below 5 points are treated as practical ties rather than a meaningful ranking.
Explore the full timeline and sources in the atlas →