President Lee Jae-myung and First Lady Kim Hye-kyung are traveling back to South Korea after concluding a state visit to Mexico and an official schedule in the United States, according to government and media reports. The diplomatic tour focused heavily on securing Korean Peninsula peace initiatives, reinforcing the bilateral alliance with Washington, and expanding economic cooperation with Mexico.
During the United States leg of the trip, President Lee addressed the United Nations General Assembly on September 22. In his keynote speech, he outlined plans to pursue direct talks among the parties involved to formally end the Korean War and transition the region into a permanent peace regime. Following the UN address, President Lee held a bilateral summit with U.S. President Donald Trump. Their discussions covered sensitive strategic and economic fronts, including nuclear submarine fuel and enrichment reprocessing, shipbuilding cooperation, and the prospective transition of wartime operational control.
Following the U.S. schedule, the presidential delegation traveled to Mexico for a state visit that yielded tangible economic frameworks. President Lee and Mexican officials formally adopted the ‘2026–2030 Korea-Mexico Joint Action Plan’ to guide future bilateral initiatives. The two nations successfully concluded negotiations to revise their bilateral investment guarantee agreement, a pact that had remained unchanged for seven years.
Evaluating Diplomatic Outcomes and Return Itinerary
As the presidential aircraft, Air Force One, departed from Felipe Ángeles International Airport in Mexico City on September 26 (local time), the delegation transitioned into the final phase of the journey. President Lee is expected to use the return flight to review practical implementation strategies for the agreements reached in both Washington and Mexico City, ensuring that high-level diplomatic pledges translate into concrete cooperative measures.
Did You Know? The revised investment guarantee agreement between South Korea and Mexico marks the first time in seven years that the two nations have successfully updated their bilateral economic investment terms.
Frequently Asked Questions
What were the main stops on President Lee Jae-myung’s recent overseas trip?
The president completed an overseas schedule that included the United States—featuring an address at the United Nations General Assembly and a summit with U.S. President Donald Trump—followed by a state visit to Mexico.

What key agreements were reached during the state visit to Mexico?
The two countries adopted the ‘2026–2030 Korea-Mexico Joint Action Plan’ and successfully concluded negotiations to revise their bilateral investment guarantee agreement after a seven-year hiatus.
What security and defense issues were discussed with the United States?
President Lee and President Donald Trump discussed nuclear submarine fuel and enrichment reprocessing, bilateral shipbuilding cooperation, and the transfer of wartime operational control.
How will the administration ensure that the commitments made during the UN General Assembly and bilateral summits translate into actual diplomatic progress?
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