Surging Muslim Population Stirs Tensions Across Japan
Japan’s Muslim population has nearly doubled over a five-year period, growing from 230,000 in 2019 to 420,000 at the end of 2024. This rapid demographic shift is chronicled by The Conversation, highlighting a profound transformation across the nation.
Yet this growth has coincided with a sharp rise in anti-immigration sentiment and social media hostility. Mosques face abusive messages. Minority groups confront mounting hostility.
Most of the new Muslim residents arriving in the country are workers originating from South Asia and Southeast Asia. Concurrently, the population of mixed-race children, frequently referred to as “hafu,” reached 4.66% in 2023, climbing significantly from 1.3% in 1987. These concurrent trends of a falling birthrate and rising foreign workforce numbers have heightened anxieties among politicians and citizens regarding racial purity and the definition of Japanese identity.
Deconstructing the Myth of a Homogeneous Society
Contemporary anxiety over demographic shifts relies heavily on the enduring myth that Japan is an entirely homogeneous society rooted in racial purity. However, this narrative overlooks domestic and regional complexities highlighted by The Conversation.
Japan encompasses its indigenous population in the north known as the Ainu, alongside generations of residents with Chinese, Korean, and Ryukyu or Okinawan heritage. These historical populations demonstrate that the Japanese archipelago has long featured a diverse cultural and ethnic landscape.
Strategic Geopolitics and the Late 19th-Century Muslim World
Long before contemporary immigration patterns emerged, the Japanese government engaged strategically with the Muslim world during the late 19th and early 20th centuries, according to research cited by The Conversation.
Japan avoided European colonization and instead established its own empire—exerting influence over Korea and Manchuria. Its victory over Russia in the Russo-Japanese War of 1904–1905 established it as a major global power.
For Muslim-majority populations under European colonial rule across Asia, Africa, and the Middle East, Japan’s modernization demonstrated that Asian nations could challenge Western dominance without abandoning native cultural traditions.
The Spread of Rumors Regarding Imperial Conversion
The widespread admiration for Japan’s military victory over Russia generated an unlikely rumor during the early 20th century: that the Japanese emperor, followed by the entire population, was on the verge of converting to Islam, as detailed by The Conversation.
Fuelled by steamships, the printing press, and newspapers published in cities like Bombay, Calcutta, Istanbul, London, and Cairo, these reports circulated widely through regions including India and the Dutch East Indies (modern-day Indonesia).
Reformers and travelers of the era hoped a newly Muslim Japan would lead anti-colonial resistance against Western powers, despite most people possessing little firsthand knowledge of Japanese society at the time.
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