Perhaps you might begin by asking yourself why you want to compare yourself with others.
Who is this self of which you speak?
Who or what would you rather be if you are dissatisfied with various aspects of this self?
Can you achieve your aspirations with just a little more effort on your part?
If you achieve your aspirtions, who or what will you be then?
Will you be satisfied with the new you? Will your satisfaction last? If not, what will you want to be next?
Will this process ever end?
Just some things to think about.
Buddha taught that no matter where we look there is no self, no intrinsic, permanent self, which could ever be found. This is discussed in his teaching regarding Anatta and emptiness:
Resources for study:
Anatta http://www.accesstoinsight.org/lib/authors/thanissaro/selvesnotself.htmlemptiness http://www.accesstoinsight.org/tipitaka/mn/mn.122.than.html