shahla kazmipour, demographer. contrary to the opinion of many experts on the birth control policies of the ministry of health. the country's time only played a 20% role in reducing the birth rate and improving life indicators by 80% in the demographic changes of the country and below. the birth rate has been effective. mohammad ismail akbari, the former head of the jamiat working group of the expediency discernment council. the format of the population policies implemented in iran was designed by international organizations, and during 30 years we intervened artificially and without population monitoring , followed the hundred-year path of western countries, and very soon the population was limited and aged. the biggest obstacles in the way of reforming the structure of the population are cultural, but very important economic issues should not be ignored , appropriate policies should be adopted in order to define a suitable and optimal population for the country, but the main point it is whether this population is