Shia Muslims were 10–13% of the world’s Muslims in Pew’s 2009 estimate, 154 million to 200 million people
Source. Pew Research Center, Mapping the Global Muslim Population, 2009.
Method and data
Method. Pew gives ranges because most of its Shia figures rest on expert and ethnographic estimates rather than censuses; it has not published a newer global split.
| Group | Share, low (%) | Share, high (%) | People, low | People, high |
|---|---|---|---|---|
| Sunni | 87 | 90 | ||
| Shia | 10 | 13 | 154,000,000 | 200,000,000 |