DONALD Trump’s speech at the UN today drew laughter from world leaders as the US President boasted of his “extraordinary” achievements.

Praising America's "booming" economy, the brash billionaire said: "My administration has accomplished more in two years than almost any administration in the history of our country... so true."

8 Donald Trump's opening boasts about his accomplishments in office caused laughter at the UN Credit: AFP or licensors

Seemingly taken aback by his boast, the audience broke into laughter, prompting a smiling Trump to say: “I wasn't expecting that reaction but that's ok."

His ad-lib prompted a round of applause from the assembled world power brokers.

Trump then continued to praise his own work, boasting about spending $700billion on the US military.

He added: “Soon American will be more powerful that it has ever been before. Stronger, safer and richer than it was when I assumed office. Standing up for America and for American people.”

8 Trump praised his administration's work while blasting the 'corrupt' Iranian regime Credit: Getty Images - Getty

This morning, the US President tweeted: "Will be speaking at the United Nations this morning. Our country is much stronger and much richer than it was when I took office less than two years ago. We are also MUCH safer!"

The US President also praised the economic sanctions his administration has placed on Iran while branding the country "the world's leading sponsor of terror".

He said: “Iran does not respect its neighbours or borders nor the sovereign right of nations.

"They plunder their resources and spread terror around the world.”

Trump slammed the “horrible” Iran nuclear deal signed by the Obama administration while insisting that the Islamic Republic should never be allowed nuclear weapons.

8 The event was attended by some of the world's most powerful people Credit: Reuters

He added: "The Iranian people must be allowed to pursue their religious and righteous destiny."

Trump praised North Korea's leader Kim Jong-un for his courage in taking some steps to disarm but said sanctions must remain in place until the country denuclearises.

He said: "The missiles and rockets are no longer flying in every direction, nuclear testing has stopped, some military facilities are already being dismantled.

"I would like to thank Chairman Kim for his courage and for the steps he has taken, though much work remains to be done.

8 Trump urged other leaders to join his 'economic pressure' campaign against Iran Credit: Getty Images - Getty

8 The US leader looked pensive before making his explosive speech Credit: Reuters

8 The President's son Eric tweeted a snap of himself, his wife Lara, brother-in-law Jared Kushner and his two sisters Ivanka and Tiffany at Trump Tower before they headed to the event Credit: @EricTrump/Twitter

"The sanctions will stay in place until denuclearisation occurs."

Trump's remarks on North Korea were dramatically different to those in his speech last year at the UN assembly when he threatened to "totally destroy" the rogue state while branding Kim Jong-un a "Rocket Man".

President Trump also targeted China saying the US will no longer tolerate unfair trade arrangements that allow countries to dump their products in America.

He said his administration would not longer accept Beijing’s attempts to subsidize their goods, target US industries and manipulate currency to gain unfair advantages.

8 The US President arriving at the event in the Big Apple Credit: Sky News

8 The US President's limousine known as 'The Beast' sits outside Trump Tower in New York City ahead of his UN address Credit: Reuters

Trump said: "The US will not be taken advantage of any longer."

He said America would "no longer tolerate such abuse".

The firebrand leader went ahead with a tax hike on $200 billion of Chinese imports on Monday.

Beijing retaliated by imposing penalties on $60 billion worth of US products.

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Trump said he is asserting American sovereignty and rejecting "global governance, control and domination".

He said he honours the right of every nation to pursue its own customs, beliefs and traditions.

The 72-year-old says the United States will never tell other nations how to live, work or worship and he expects other nations to "honour America's sovereignty in return".

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