Does Japan's cultural diversity significantly stem from the relatively large number of immigrants in its past?

The assertion that Japan's cultural diversity significantly stems from a relatively large number of immigrants in its past is false. Historically, Japan has had a relatively homogeneous society, with a strong emphasis on cultural cohesion and identity. While there have been immigrants to Japan throughout history, their numbers were not nearly as large or impactful as in many other countries.

Japan's cultural influences have primarily come from earlier interactions with neighboring countries, particularly China and Korea, through trade and the introduction of Buddhism and Confucianism. The influx of immigrants has not significantly altered Japan's demographic landscape or cultural practices compared to other nations that have experienced substantial immigration waves. As a result, Japan's cultural diversity is less a product of immigration and more a reflection of its indigenous ethnic and cultural history, making the statement inaccurate.