Islam in Japan
Demographic Trends
Islam represents a growing demographic in Japan, accounting for approximately 0.3% of the national population as of 2026 Verified Answer #1. The Muslim population reached an estimated 420,000 by the end of 2024, marking a significant increase from 110,000 in 2010 and 230,000 in 2019 Verified Answer #1. This expansion is largely driven by government-led recruitment of foreign labor to mitigate domestic labor shortages through technical intern and skilled worker programs Verified Answer #1. The largest groups within this population originate from Indonesia, followed by Bangladesh, Pakistan, Malaysia, and Turkey Verified Answer #1.
Mosque Infrastructure
The number of mosques in Japan has increased alongside the population, growing from roughly 50 in 2008 to approximately 164 across 140 municipalities by July 2025 Verified Answer #1. These facilities have transitioned from informal prayer rooms in repurposed structures to more visible, dedicated community hubs Verified Answer #1. This increased visibility has led to occasional local resistance, such as in Fujisawa, Kanagawa Prefecture, where a proposed mosque project faced concerns regarding traffic, noise from the adhan, and planning transparency Verified Answer #1.
Legal Recognition
Islamic organizations in Japan typically operate under the Religious Corporations Act of 1951 Verified Answer #1. This legal framework allows religious entities to register as official religious corporations Verified Answer #1.