Independent centrist Macron, 39, became France's youngest-ever president after crushing the far-right National Front's Marine Le Pen in the presidential runoff yesterday.
US President Donald Trump congratulated Macron on his "big win" and said he looks forward to working with the centrist leader, in an attempt to leave behind the tacit support he had offered to his main rival Marine Le Pen ahead of the polls.
"I warmly congratulate Emmanuel Macron on his success and I look forward to working with him on a wide range of shared priorities," she said.
"The leaders briefly discussed Brexit and the Prime Minister reiterated that the UK wants a strong partnership with a secure and prosperous EU once we leave," a Downing Street spokesperson said.
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Chinese President Xi Jinping congratulated Macron, saying China and France shared a "responsibility toward peace and development in the world."
"China stands ready to work with France to move the strategic Sino-French partnership to a higher level," he said.
"Happy that the French chose a European future. Together for a #Europe more strong and more just," Europe," tweeted Jean-Claude Juncker.
The European Council President went even further and said, "Congratulations to EmmanuelMacron, the French who chose freedom, equality and fraternity and said no to the tyranny of the 'fake news'".
German Chancellor Angela Merkel described his victory as "a victory for a strong and united Europe and for French- German friendship."
"Congratulations to @EmmanuelMacron, new president of #France. Let us work in France and Spain for a stable, prosperous and more integrated Europe," Spain's Prime Minister Mariano Rajoy said in a tweet.
"This is a victory for the French people and for European cooperation. New opportunities will now open up for the proactive agenda needed to strengthen the EU, including more jobs and fair working conditions, a stronger climate policy and a functioning asylum system in which everyone takes responsibility," said Sweden Prime Minister Stefan Lofven.
Canadian Prime Minister Justin Trudeau telephoned Emmanuel Macron to congratulate him.
"I look forward to working closely with President-elect Macron in the years ahead as we work together on a progressive agenda to promote international security, increase collaboration in science and technology, and create good, middle class jobs on both sides of the Atlantic," he said in a statement earlier.
Russian President Vladimir Putin asked Macron to bridge deep rifts between Moscow and Paris and work together to fight the threat of terror.