Median age doesn't say much about the number of people over 40. Life expectancy in iran is around 70 [1]. Also, the last shah was overthrown in 1979. [1] http

Median age doesn't say much about the number of people over 40. Life expectancy in iran is around 70 [1]. Also, the last shah was overthrown in 1979. [1] http://www.indexmundi.com/iran/life_expectancy_at_birth.html http://www.indexmundi.com/iran/life_expectancy_at_birth.html