Trump says Kim Jong-un called Biden ‘mentally retarded person,’ recalls past remarks

Trump cited past exchanges with Kim Jong-un during a briefing while criticizing US allies for failing to support military operations tied to Iran
PUBLISHED 1 HOUR AGO
Donald Trump recalled Kim Jong-un’s past remarks about Joe Biden while addressing allied support for Iran-linked operations (Getty Images)
Donald Trump recalled Kim Jong-un’s past remarks about Joe Biden while addressing allied support for Iran-linked operations (Getty Images)


WASHINGTON, DC: President Donald Trump said North Korean leader Kim Jong-un had previously made harsh remarks about former US president Joe Biden while speaking during a White House press conference on Monday, April 6, as he addressed ongoing military operations linked to Iran.

Trump made the remarks while expressing frustration over what he described as limited support from US allies in the situation. He named several countries and alliances, saying they had not contributed to military efforts as expected.

President Donald Trump speaks with reporters during a news conference in the James Brady Press Briefing Room at the White House, Monday, April 6, 2026, in Washington. (AP Photo/Mark Schiefelbein)
President Donald Trump spoke with reporters during a news conference in the James Brady Press Briefing Room at the White House on April 6, 2026, in Washington (AP Photo/Mark Schiefelbein)

Trump says Kim Jong-un called Joe Biden a ‘mentally retarded person’

During the briefing, Trump referenced past interactions with Kim Jong-un while discussing global leadership dynamics.

PANMUNJOM, SOUTH KOREA - JUNE 30 (SOUTH KOREA OUT): A handout photo provided by Dong-A Ilbo of North
North Korean leader Kim Jong-un met US President Donald Trump inside the demilitarized zone separating North and South Korea on June 30, 2019, in Panmunjom, South Korea (Getty Images)

“He used to call Joe Biden a mentally retarded person, okay? Joe Biden… He said he's a mentally retarded person. He was so nasty to Joe Biden, it was terrible,” Trump said.

He added that he had maintained a positive relationship with Kim, stating that the North Korean leader had spoken highly of him in the past.

Trump criticizes NATO, South Korea, Japan and Australia over Iran operations

Trump also criticized US allies, including NATO, South Korea, Japan and Australia, for not assisting in military operations related to Iran.

President Donald Trump gestures while speaking with reporters in the James Brady Press Briefing Room at the White House, Monday, April 6, 2026, in Washington. (AP Photo/Julia Demaree Nikhinson)
Donald Trump gestured while addressing reporters during a press briefing at the White House on April 6, 2026, in Washington (AP Photo/Julia Demaree Nikhinson)

“It’s not just NATO,” Trump said, adding, “You know who else didn’t help us? South Korea didn’t help us.”

He further stated, “We have 45,000 soldiers in South Korea to protect us from Kim Jong-un,” referring to US troop presence in the region. Official figures place the number at approximately 28,500 personnel.

DONG DANG, VIETNAM - MARCH 02: North Korean leader Kim Jong-un waves as he prepares to leave Vietnam
North Korean leader Kim Jong-un waved before departing Vietnam by train after the DPRK-USA Hanoi summit on March 2, 2019, in Dong Dang, Vietnam (Getty Images)

Trump said he believes countries dependent on the Strait of Hormuz for energy supplies, including South Korea and Japan, should take a more active role in maintaining access to the strategic waterway.

Trump highlights Iran tensions and importance of Strait of Hormuz energy route

The president emphasized the importance of securing global energy routes, particularly the Strait of Hormuz, amid tensions involving Iran. He said he had previously requested additional support, including naval deployments, but did not receive responses from some allies.

ANCHORAGE, ALASKA - AUGUST 15: U.S. President Donald Trump (R) walks with Russian President Vladimir Putin as they arrives at Joint Base Elmendorf-Richardson on August 15, 2025 in Anchorage, Alaska. The two leaders are meeting for peace talks aimed at ending the war in Ukraine. (Photo by Andrew Harnik/Getty Images)
Donald Trump walked with Russian President Vladimir Putin upon arrival at Joint Base Elmendorf-Richardson on August 15, 2025, in Anchorage, Alaska (Andrew Harnik/Getty Images)

Trump also described NATO as a “paper tiger” and claimed Russian President Vladimir Putin does not fear the alliance, highlighting his broader concerns about global security cooperation.

Japan, which relies heavily on energy imports passing through the Strait of Hormuz, has taken a diplomatic approach. Prime Minister Sanae Takaichi indicated that high-level talks with Iran could be considered at an appropriate time.

ISTANBUL, TURKEY - JANUARY 30: Iranian Foreign Minister Abbas Araghchi gives a statement at the Ritz Hotel as he meets Turkey's Foreign Minister Hakan Fidan, on January 30, 2026 in Istanbul, Turkey. Protests that began in Tehran on December 28 over worsening economic conditions escalated into one of the deadliest anti-government uprisings in the history of the Islamic Republic of Iran. Iranian authorities say at least 3,117 people were killed, while human rights groups estimate the toll could reach 6,000 or more and warn it may rise once internet blackouts are lifted. U.S. President Donald Trump has sent an armada of U.S. warships toward Iran and warned Tehran that time was running out to negotiate a deal on its nuclear program. This week, The European Union agreed to list Iran's paramilitary Revolutionary Guard as a terrorist organization. (Photo by Burak Kara/Getty Images)
Iranian Foreign Minister Abbas Araghchi delivered a statement while meeting Turkey’s Foreign Minister Hakan Fidan on January 30, 2026, in Istanbul, Turkey (Burak Kara/Getty Images)

Iranian Foreign Minister Abbas Araghchi, who previously served as Japan’s ambassador, has maintained diplomatic engagement with Japanese officials. Reports suggest communication channels between the two countries have remained active in recent weeks.

As of April 6, several Japan-affiliated vessels had passed through the Strait of Hormuz despite ongoing tensions, though details surrounding the circumstances remain unclear.

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