Desperately seeking an antidote to a rapidly aging population, Japanese policymakers are exploring ways to bring in more foreign workers without calling it an "immigration policy."

Immigration is a touchy subject in a land where conservatives prize cultural homogeneity and politicians fear losing votes from workers worried about losing jobs.

But a tight labor market and ever-shrinking work force are making Prime Minister Shinzo Abe's policy team and lawmakers consider the politically controversial option.