Japan mein Islam sabse fast grow karne wala religion ban chuka hai. Pichle 10 saalon mein Muslim population double hoke 2 lakh 30 hazaar hogayi, aur 110 se zyada mosques ban gayi. Is growth ka reason immigration, conversions aur halal restaurants, prayer spaces jaisa Muslim-friendly facilities hain jo tezi se Islam ko barha rahi hain.