In 2017, weeks after Donald Trump’s first presidential election victory, Xi Jinping became the first Chinese head of state to address the World Economic Forum in Davos, Switzerland — winning applause as he inveighed against protectionism and declared that a trade war would hurt both sides.

A speech by the U.N. chief, economic growth potential in places like China and Russia, the challenges of artificial intelligence and leaders from Spain to Malaysia are set to headline the agenda at th