A Swab and a Surname: How Genetic Testing Is Opening Doors to Ancestral Property in Rural Japan
What begins as casual curiosity about one's heritage has, for a growing number of Americans, evolved into something far more consequential: a potential legal claim to land or a family home in rural Japan. The intersection of consumer DNA testing and Japanese inheritance law is quietly reshaping how diaspora descendants engage with their ancestral roots — and with the country's vast inventory of abandoned properties.