self-identify

verb2

1. •
   [with oneself] To identify (oneself) with a particular person or group, or as part of a particular group.

   • This is a new type of emperor; he is self-identified with the divinity, his celestial virtues legitimizing his power. — 1981
2. •
   To identify oneself as belonging to a particular group or category.

   • In this instance, 70% of Jews self-identify as leaning to or members of the Democratic party. — 2013