The uncertainty surrounding the H-1B visa path is becoming a concern for skilled foreign workers. Some experts suggest that increasingly restrictive US immigration rules could cause a professional exodus toward Asian or European nations.

Yoyo Yue has spent much of her life navigating the complex US immigration system. The 31-year-old Chinese content creator moved from China to a US boarding school, went to university, secured an H-1B visa and later a “green card” – a path long considered the “gold standard” for skilled foreign workers. Now, she said, that path felt far less certain. “The H-1B path today comes with significant uncertainty, not just around job stability, but also around long-term prospects,” Yue said. US President...