Surrounding the Kaaba in Mecca, the Masjid al-Haram is the largest mosque on Earth, with a capacity that expands to well over a million worshippers during peak pilgrimage periods after repeated Saudi-era expansions. No other mosque approaches its combined indoor and outdoor prayer space.
Record no. MRB-2026-005688
Largest Mosque in the World
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.