List of countries by Zoroastrian population
A 2012 study featured in the FEZANA Journal, a quarterly publication of the Federation of Zoroastrian Associations of North America (FEZANA), published a demographic picture of Zoroastrians around the world and a comparison with a similar study done in a 2004 study gives a global estimate of 111,691-121,962, but has over 300,000 as of February, 2020.  Zoroastrians, roughly half of them in India (made up of the Parsi and Irani subgroups) and Iran.
|Arab states of the Persian Gulf||1,900|
|Europe & Central Asia||1,000|
|World||300,759 (2020 Estimate)|
The Zoroastrian Representative of the Kurdistan Regional Government in Iraq has claimed that many people in Iraqi Kurdistan have converted to Zoroastrianism recently, however this has not been confirmed by independent sources. Millions of Yazidis, Shabakis and Yarsanis live in Iraq and Iran who follow pre-islamic Mithraic and syncretic religions similar to and influenced by Zoroastrianism as well, and have been included as Zoroastrian under some research methods and population studies due to their similarities.
- Rivetna, Roshan. "The Zoroastrian World A 2012 Demographic Picture" (PDF). Fezana.org.
- "Hamazor Issue #2 2017: "Kurdistan reclaims its ancient Zoroastrian Faith" (PDF). Hamazor.
- "Zoroastrian faith returns to Kurdistan in response to ISIL viole". Rudaw. Retrieved 18 September 2015.