بررسی ضریب سالمندی در ایران با توجه به شرایط جغرافیایی

In present investigation, aging coefficient (A.C.) was stidied and compared in some different provinces of Iran, according to their most important geographical conditions such as altitude. Study of climatological profile of North-West to South-East of Iran shows gradual decrease of altitude as well as climatological profile of the west to the east of Iran. Results show that A.C increase gradually  along these two directions.