North Korea's leader Kim Jong Un toured a new plant for producing weapons-grade nuclear material on Wednesday and claimed the country has more than doubled its output capacity over the last five years. State-run media, the Korean Central News Agency, published the announcement alongside photographs of Kim inspecting rows of centrifuges at the undisclosed facility.
Kim said Pyongyang plans to expand its nuclear forces at an exponential rate, and described the new plant as a key part of strengthening its war deterrent. The claim of doubled production capacity cannot be independently verified, as North Korea does not permit outside monitoring of its nuclear sites.
Kim launched the current push for expanded nuclear weapons under a five-year plan put in place after denuclearization talks with the United States collapsed. Those talks included three meetings between Kim and then-President Donald Trump during Trump's first term in office.
This is at least the third time since September 2024 that North Korean state media has published photographs of Kim inspecting a uranium enrichment or nuclear material production facility. The repeated public visits are widely seen as deliberate signaling to Washington and its allies.
U.S. intelligence officials had already flagged the expansion. A senior intelligence official told reporters that Pyongyang was building a probable additional uranium enrichment facility at Yongbyon, North Korea's main nuclear research complex. Whether the plant Kim visited on Wednesday is that same Yongbyon facility or a separate, previously unknown site could not be determined. The KCNA report gave no location.
Current estimates of North Korea's stockpile vary, but the picture is serious. According to a March 2026 report from the Congressional Research Service, North Korea already has enough nuclear material for up to 90 warheads and is believed to have assembled around 50.
North Korea has also continued to refine its delivery systems. Kim claimed as far back as January 2021 that the country could miniaturize and standardize nuclear weapons for use in tactical roles. A 2024 U.S. Annual Threat Assessment noted that North Korea had unveiled a purported tactical nuclear warhead and claimed it could be fitted to at least eight different delivery systems, including an unmanned underwater vehicle and cruise missiles.
North Korea has successfully tested intercontinental ballistic missiles capable of reaching any point in the United States, according to the 2026 Annual Threat Assessment from the Office of the U.S. Director of National Intelligence.
Analysts say Kim's longer goal is international recognition as a nuclear state, which would allow him to push for the lifting of U.N. economic sanctions. Experts believe he would ultimately seek arms reduction talks with the United States in exchange for a partial scaling back of his nuclear capability.
President Donald Trump has publicly expressed his desire to resume diplomacy with Kim. North Korea has responded by insisting the United States must drop its demand for full denuclearization as a precondition for any talks.
North Korea's nuclear buildup is part of a broader global trend. According to the 2026 Nuclear Weapons Ban Monitor, the total number of warheads available for use by the world's nine nuclear-armed states has risen to 9,745, with a combined explosive yield equal to more than 135,000 times the bomb dropped on Hiroshima. The report noted that 2025 marked the ninth consecutive year in which the number of deployable nuclear weapons increased worldwide.
Kim praised the country's nuclear scientists during the plant visit and described North Korea's nuclear potential as, in his words, beyond imagination. The comments follow a pattern of high-profile nuclear displays that Pyongyang has used consistently to frame itself as an untouchable military power.
No formal response from the United States, South Korea, or Japan had been issued at the time of publication.