Many Japanese people consider themselves to be part of an essentially unchanging and isolated ethnic unit in which the biological, linguistic, and cultural aspects of Japanese identity overlap almost completely with each other. In its examination of the processes of ethnogenesis (the formation of ethnic groups) in the Japanese Islands, Ruins of Identity offers an approach to ethnicity that differs fundamentally from that found in most Japanese scholarship and popular discourse. Following an extensive discussion of previous theories on the formation of Japanese language, race, and culture...

In 2008, 140 years after it had annexed Ainu lands, the Japanese government shocked observers by finally recognizing Ainu as an Indigenous people. In this moment of unparalleled political change, it was Uzawa Kanako, a young Ainu activist, who signalled the necessity of moving beyond the historical legacy of "Ainu studies." Mired in a colonial mindset of abject academic practices, Ainu Studies was an umbrella term for an approach that claimed scientific authority vis-a-vis Ainu, who became its research objects. As a result of this legacy, a latent sense of suspicion still hangs over the...