About 20% are ethnic Kurds.
All three of the attackers were Turkish nationals, and ethnic Kurds.
However, about one-fourth to one-fifth of Turkish nationals are ethnic Kurds (amounting to some 350,000).
There are many Zazaki-speakers who identify themselves as ethnic Kurds while others do not.
Suruç is today inhabited mostly by ethnic Kurds.
However, some modern artists have adopted the style for use with Sorani, which is more commonly spoken by ethnic Kurds.
Among them were several parties that advocated greater rights for ethnic Kurds.
The Yazidis live mostly near Mosul and are made up of ethnic Kurds.
One risk arises from the aspirations for independence by ethnic Kurds in the north, which could set off a conflict with Turkey.
The number of speakers is clearly less than the 15 million or so persons who identify themselves as ethnic Kurds.