Six years ago the audience laughed; this time delegations walked out
🎧 Post Summary
📌 Summary
On September 22 (local time), President Donald Trump addressed the 81st session of the UN General Assembly in New York for roughly 37 minutes. Declaring that “America is back” and stronger than ever, he issued Iran an ultimatum: rebuild through a deal, or face rapid annihilation. He branded Cuba a “failed state” and Mexico a haven for cartels, but — unlike in past years — made no mention of North Korea or China. Iran’s and Cuba’s delegations walked out in protest during the speech, and Iran’s military swiftly dismissed it as “a tool for domestic propaganda.” The same day, the US Middle East envoy met Iran’s foreign minister on the sidelines of the Assembly, and South Korean President Lee Jae-myung held a surprise 30-minute summit with Trump after delivering his own keynote address.
Six years ago, when President Trump first took the UN General Assembly podium, some of his claims drew nervous laughter from the audience. When he returned to the podium on September 22 (local time), the mood was different. Most of the audience listened in silence, and some delegations left the room altogether. Here’s what he said on the opening day of the 81st General Assembly’s general debate, and how the world responded.
① The Gist — “America Is Back”
President Trump opened with the same message as the title the White House gave the speech: “While Others Have Talked, I Have Acted.” He said the US economy is the envy of the world and its military the strongest on the planet, and claimed that a country that was “dying” just two years ago is now the hottest nation in the world. The address ran roughly 37 minutes, well over its allotted time.
② An Ultimatum for Iran — “A Deal, or Annihilation”
A large portion of the speech targeted Iran. Referring to the US-Israel conflict with Iran that began in late February, Trump pressed Iran to choose between two paths on its own: rebuild through a deal and become a greater nation, or be rapidly annihilated so it never again has the chance to hurt people or destroy a country. He said of Iran, “They were the bully of the Middle East, but they’re not a bully anymore,” while demanding the full reopening of the Strait of Hormuz and a return to the negotiating table. He left himself room to maneuver, adding, “I have a big decision to make.” Coincidentally, it also emerged that on the day of the speech, US Middle East envoy Steve Witkoff met Iranian Foreign Minister Abbas Araghchi on the sidelines of the Assembly.
③ Cuba and Mexico Under Fire; North Korea and China Go Unmentioned
Trump singled out Cuba as a failed state and Mexico as a country that supports cartels, criticizing both bluntly. He also said, in effect, that no threat to America would be allowed to gain a foothold anywhere in the Western Hemisphere. But the criticisms of China’s trade imbalance and North Korea’s denuclearization that were staples of his past addresses were absent this time — a change observers link to the individual meetings he had scheduled with the South Korean and Chinese leaders this same week.
④ A Direct Shot at the UN, and AI
Trump also took direct aim at the United Nations as an institution, repeating his claim that while other countries only talked, he actually acted, and stressing he had no interest in letting threats grow bigger by leaving them unaddressed. On AI policy, he reaffirmed his existing position that the US should keep encouraging the rapid growth of its AI industry rather than slow it down with regulation. After the speech, he signed a new agreement with Denmark related to the defense of Greenland’s Arctic territory.
⑤ How the World Reacted
Iran — As Trump’s blunt remarks continued, Iran’s delegation walked out en masse, leaving only one working-level staff member in the hall. President Pezeshkian and Foreign Minister Araghchi hadn’t been in the room from the start of the speech. Iran’s military quickly issued a statement dismissing Trump’s remarks as “a tool for domestic propaganda,” arguing they couldn’t make up for the losses and setbacks the US had suffered in the war with Iran. Still, the Witkoff-Araghchi meeting conveyed Iran’s conditions for reopening the Strait of Hormuz — an immediate end to the naval blockade, the immediate return of frozen assets, and an end to the war on every front — opening a possible path to dialogue.
Cuba — Cuba’s delegation also walked out in protest after Trump used the phrase “failed state.”
UK — Speaking the same day, UK Prime Minister Andy Burnham, in his first UN address since taking office, chose not to respond to Trump directly and instead said Britain would lead international efforts to set global AI standards. He praised AI’s potential to transform healthcare and education while also announcing a new AI defense partnership with the US to protect critical infrastructure.
South Korea — President Lee Jae-myung also delivered a keynote that day, laying out a direction for UN reform and a vision for peaceful coexistence on the Korean Peninsula. Right after his speech, an unannounced 30-minute summit with Trump materialized, covering nuclear submarine fuel and enrichment/reprocessing, the transfer of wartime operational control, and shipbuilding cooperation. Seoul’s presidential office said Trump reaffirmed his willingness to engage in dialogue with North Korea during the meeting.
📌 Notes
- Trump’s “annihilation” threat and Iran’s “propaganda” rebuttal are directly conflicting claims. What actually happens at the negotiating table remains uncertain, and both sides’ positions are worth weighing evenhandedly.
- Views differ on the absence of North Korea and China from this year’s speech — some read it as a conciliatory signal, others simply as a byproduct of a week packed with other diplomatic meetings.
- UN General Assembly speeches are heavily aimed at domestic political audiences, so individual lines are best read alongside what actually happens next, rather than taken at face value as policy.
- The items discussed at the US-Korea summit — OPCON transfer, nuclear submarine cooperation, and the like — weren’t finalized that day; the two sides only agreed to keep talking, so concrete outcomes should be confirmed through official announcements later.
This year’s General Assembly was both a stage for Trump to reaffirm “peace through strength” and, potentially, a diplomatic turning point in the standoff with Iran. The tension on display in the hall, paired with the quiet contacts happening behind the scenes, offer clues to how the diplomacy of the coming days and weeks may unfold.
Sources
- VOA Korea — “President Trump’s UN Address: ‘America Is Stronger Than Ever’” (voakorea.com)
- The White House — “President Trump at the United Nations: ‘While Others Have Talked, I Have Acted’” (whitehouse.gov)
- PBS News — “WATCH: Trump addresses 2026 United Nations General Assembly” (pbs.org)
- CNBC — “Trump slams Iran and Cuba, defends AI growth in boastful UN speech” (cnbc.com)
- Hankyung (Korea Economic Daily) — “Iran and Cuba’s delegations walk out over Trump’s blunt UN remarks” (hankyung.com)
- Korea Daily (US) — “Iran’s military calls Trump’s UN speech propaganda, warns of a harsh response” (koreadaily.com)
- Seoul Shinmun — “At the UN, Trump frames Iran’s choice as ‘deal or annihilation’” / “President Lee holds summit with Trump at UN General Assembly” (seoul.co.kr)
- Financial News (Korea) — “President Lee, Trump hold 30-minute summit — nuclear submarines, enrichment/reprocessing, OPCON transfer discussed” (fnnews.com)