Most of us don't know how unique our path is, that is why we end up comparing ourselves to everyone. You have your own journey, others have theirs. The journey is different so don't expect the destination to be thesame or the arrival be at thesame time.
Yes some have reached their destination successfully and they succeed, so you should be Workin on getting to your own destination by focusing on your unique path that have been created for only you.
Comparison will not help matters in this journey of life so focus!