This article explores the various ethnic groups that make up Japan, including the majority Japanese people and minority groups such as Koreans, Chinese, Filipinos and Ainu. It also looks at the history of immigration to Japan, which has increased steadily since World War II, and the growing number of mixed-race individuals due to international marriages. The article highlights the complexity of Japan's cultural makeup and encourages us to better understand our own backgrounds while recognizing those from different backgrounds.