Twelver Shiism – a branch of Islam that serves both as a spiritual and political force in Iran and beyond
- Written by Massumeh H. Toosi, PhD Student in Philanthropic Studies, Indiana University

Twelver Shiism is the largest branch within Shiism – one of the two major sects within Islam. Shiism is the second-largest tradition within Islam overall, following the Sunni tradition.
Iran is the only country to...