Russian, Chinese, and Iranian media are turning on Trump, an analysis of foreign news outlets suggests

It can be easy to overlook how the rest of the world is making sense of America’s chaotic campaign season.

But in many cases, they’re paying attention just as closely as U.S. voters are. After all, who wins the U.S. presidency has implications for countries around the world.

Since Sept. 22, we’ve been using machine-learning algorithms to identify the predominant themes in foreign media coverage.

How different countries cover the race between Donald Trump and Joe Biden can shed some light on how foreign citizens discern the candidates and the...