Ethnic Composition of Japan

Japan is often perceived as homogeneous, but its ethnic landscape is diversifying:

Major Groups

1. Yamato (Native Japanese): ~97–98%. Descendants of Yayoi migrants (300 BCE–300 CE) + Jōmon admixture. Cultural/political majority.
2. Ryukyuan (Okinawan): ~1–1.5% (1.3–1.5M). Indigenous to Ryukyu Islands (Okinawa, Amami, Miyako, Yaeyama). Distinct languages (Ryukyuan), culture, history (Ryukyu Kingdom annexed 1879).
3. Ainu: ~20,000–200,000 (estimates vary). Indigenous to Hokkaido, Sakhalin, Kurils. Officially recognized 2008. Language isolate; animist traditions. Most assimilated.

Significant Minorities (Foreign Nationals / Descendants)

• Koreans (Zainichi): ~400,000 (Special Permanent Residents — colonial-era migrants + descendants).
• Chinese: ~800,000 (recent migrants + long-term residents).
• Filipinos: ~300,000 (caregivers, entertainers, skilled workers).
• Brazilians (Dekasegi): ~200,000 (Japanese-Brazilian return migrants, 1990s–present).
• Vietnamese, Nepali, Indonesians, Thais, Americans, Europeans, South Asians: Growing skilled/labor migration.

Trend

Foreign residents hit 3.2M (2.6% of pop) in 2023 — record high. Tokyo, Osaka, Nagoya, Fukuoka increasingly multicultural. Birthrate decline accelerates need for immigration.