that c. 92% people belonging to Kurdish ethnic identity spoke Kurdish languages, 6.4% spoke Turkish, and 1.4% spoke Zaza as their mother language. Around 2% of the surveyed people who identified as Zaza, but not Kurd expressed that their mother tongue was Kurdish. 3.1% of the Turks and 4.6% of Arabs also stated that they spoke Kurdish. Concerning Alevi people, c. 70% spoke Zaza, 20% Kurdish and 10% Turkish. Around 75% of the Kurds stated that they either had "very good" or "good" proficiency in their respective mother languages. 55% of those who had "very good" or "good" proficiency in their mother language stated that their children were also proficient. Around 75% of the Kurds and 2% of the Zazas (58.4% for Zazaki) declared that they spoke Kurdish at home. Turkish was spoken by 22.4% and 38.3% at home, respectively. Turkish (70%) was the dominant household language for Alevi population. Religion Most of the Kurdish people living in Turkey are Sunni Muslims, though Alevism comprises a sizable minority of about 30%. 24.4% of the Kurds and 9.8% of Zazas declared that they were belonging to Hanafi school, meanwhile the vast majority of them were of the Shafiʽi school, which contrasted the local Turkish and Arab population, both of whom were overwhelmingly Hanafi. 3.1% of the Kurds and 14.8% of Zazas were Alevi, compared to 5.4 percent of Turks and 1.1 percent of Arabs. Kurds and Zazas in Eastern Turkey are found to be more religious compared to both general population of Turkey and the Turkish population in the same region. Religious observance rates such as fasting during Ramadan, praying 5 times a day or going to Jumu'ah regularly show similar patterns. On the other hand people who are Alevis show the least amount of religiosity and lowest observance rates, both regionally and nationally. 96 to 97 percent of the surveyed Kurd and Zaza groups in Eastern Turkey had someone in their household who wears headscarf, which was higher compared to Turkish population of the region. Only around 11% of Alevis declared that there were someone with headscarf in their household. 4.3% of both Kurd and Zaza groups were members of a specific religious sect, which was roughly double the rate of regional Turkish and Alevi population. Tribes 33.4% of the Kurds and 21.2% of the Zaza from Eastern Turkey declared that they had tribal affiliations (Kurdish: eşîr, Turkish: aşiret), compared