National identity is a main factor of stability of social and political systems. Therefore one of the aims and scopes of poiltical socialization in all political systems is strengthening and reproduction of national identity. But this problem is required to exact recognition and evaluation, it is necessary to identify, dimensions, elements and indicators of national identity in order to dot scientific measures. National identity has societal, geographical cultural and political acpects, which these dimensions have special indicators.
This paper, tries to describe factors and indicators in order to provide a questioner for doing research.