Some Critical Considerations on the Second Demographic Transition with a look on Iran

Analyzing fertility based on the  second demographic transition in Iran, results in Contravertial outcomes; The us, its reliability becomes doubtful. This challenge comes from the completely different fertility perspective of the country. Therefore, present study tries to answer some questions about demographic  transition (1st and 2nd) through both theoretical as well as practical procedures. Findings of this study rejects the similarity of the various aspects of the second demographic transition in different populations and meanwhile, shows that Iran has passed the first demographic transition, but for the second transition, some irresolution still exist.