Political leaders around the world have urged good relations with the new president, with some expressing concerns.
Donald Trump has been sworn in as the 47th President of the United States.
Several leaders and politicians around the world congratulated Trump, with some urging good relations and others expressing concern.
Here are some reactions from around the world:
China has said it wants to work with the United States to resolve trade issues as Trump has threatened to impose new tariffs on the Asian country.
Foreign Ministry spokesman Guo Jiakun said Beijing "is willing to strengthen dialogue and communication with the United States, properly manage differences, and expand mutually beneficial cooperation."
President Vladimir Putin said Moscow welcomed the Trump team's statement about "their desire to resume direct contact with Russia," which was terminated by the outgoing administration through no fault of ours.
"We also heard his remarks about the need to do everything possible to prevent World War III. We certainly welcome this," Putin said in a video address.
NATO Secretary-General Mark Rutte said the military alliance in Europe and North America "will accelerate defense spending and production" as Trump returns to office.
"Together we can achieve peace through the power of NATO!" he wrote on the X.
As President Trump returns to office, we will significantly increase defense spending and production
I warmly congratulate @realDonaldTrump Became the 47th President of the United States and @JDVance as vice president
Together we can achieve peace through strength – through @NATO!
— Mark Root (@SecGenNATO) January 20, 2025
Prime Minister Benjamin Netanyahu said that under Trump, "the best days of our alliance are yet to come."
"Working together again, we will elevate the U.S.-Israel alliance to even greater heights. I believe we will once and for all defeat Iran's axis of terror and usher in a new era of peace and prosperity for our region," he said in a video address.
He thanked Trump for his efforts to free Israeli prisoners from Gaza, adding that he looked forward to working with him "to destroy Hamas's military capabilities and end its political rule in Gaza."
President Mahmoud Abbas said Palestine was ready to work with Trump to achieve peace "guided by a two-state solution based on international legitimacy."
"This vision seeks to establish the state of Palestine and the state of Israel, living side by side in peace and security," Wafa news agency quoted Abbas as saying.
Syria's de facto leader Ahmed Salas said he looked forward to improving relations between the two countries.
"We believe he is the leader who will bring peace to the Middle East and restore stability to the region," he said in a statement.
German Chancellor Olaf Scholz said Germany's policy goal is always good transatlantic relations with its "closest allies..."
President Jose Raul Mulino said in a statement that he rejected Trump's statement that the United States would "take back" the strategic Panama Canal.
“The canal is and will continue to belong to Panama,” he said, stressing the importance of dialogue.
"Today is a day of change and a day of hope for solving many problems, including global challenges," President Zelensky said.