Kim said he was willing to meet Trump at any time and urged corresponding measures from the U.S. The North Korean leader called on South Korea to halt joint military exercises with the U.S., placing new pressure on the alliance.Kim called for a "complete" halt of the deployment of strategic assets to the Korean Peninsula, a reference to nuclear-capable American bombers and submarines. He added that he is willing to meet U.S. President Donald Trump at any time to produce results that the worldwide community would welcome.
His previous New Year's addresses had taken place in more formal settings, with Kim standing at a podium.
USA officials say those steps can be easily reversed and have not been verified, and Washington has slapped additional economic sanctions on the impoverished country.
Pyongyang has demanded Washington lift sanctions and declare an official end to the 1950-53 Korean War in response to its initial, unilateral steps toward denuclearisation, including dismantling its only known nuclear testing site and a key missile engine facility.
Kim called for South Korea to "completely stop" joint military drills with the United States involving strategic assets, while multilateral negotiations among countries involved in the armistice agreement should be pursued to build a permanent peace regime.
The two sides have clashed over the pace and sequence of talks, with North Korea demanding relief from global sanctions and the US seeking more steps toward disarmament.
"Kim Jong-un drew from that playbook in his speech today by offering to take actions that might be popular in South Korea but would require United States consent to lift sanctions".
Pyongyang celebrated New Year with spectacular fireworks, and with New Year's Day a public holiday people have been out and about in the North Korean capital.
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"Now that North and South Korea made a decision to take the path of peace and prosperity, we demand that joint military exercises with outside forces should no longer be allowed and deployment of war equipment such as foreign strategic assets should be completely stopped", Kim said.
Trump has said he would like to hold a summit with Kim in January or February.
-North Korea denuclearization talks remain at an impasse months after a landmark June summit between Kim and Trump in Singapore.
Kim also reiterated his "strong will" and the North Korean government's "unchanged" position to pursue better relations with the USA and to seek complete denuclearization.
The BBC's Laura Bicker in Seoul says this could mean that North Korea is waiting for the United States to act in 2019 and unless it does, the current pause on nuclear weapons testing could be over. Kim also met three times with Chinese President Xi Jinping, which boosted his leverage by reintroducing Beijing - Pyongyang's main ally - as a major player in the diplomatic process to resolve the nuclear standoff. The North used a blunt statement last month reiterated its traditional stance on denuclearization, saying it will never unilaterally give up its weapons unless Washington removes what Pyongyang describes as a nuclear threat.
Kim directed part of his message at neighbor South Korea, urging it to ditch joint wargames with the United States for the sake of reconciliation.
Although Pyongyang did not conduct nuclear or missile tests a year ago, satellite images have pointed to continued activity at the North's related facilities.