"Happy New Year! I'm looking forward to what we can accomplish together in 2018," tweeted Canadian PM Justin Trudeau.
"At the close of the civil year, I wish a happy new year to our friends around the world. Happy New Year, Snovim godom, novy god!" posted Israeli PM Benjamin Netanyahu.
"I wish you all the best for 2018," President Emmanuel Macron wrote in French.
Trump wishes his 'arch enemy' on new year
"As our Country rapidly grows stronger and smarter, I want to wish all of my friends, supporters, enemies, haters, and even the very dishonest Fake News Media, a Happy and Healthy New Year. 2018 will be a great year for America!" tweeted Trump.