The value of less than 50% means that the pressure on productive population in Iran is relatively low.
Child dependency ratio is a ratio of people below working age (under 15) to workforce of a country. Aged dependency ratio is a ratio of people above working age (65 ) to workforce of a country. Source: The estimation data for section "Iran age dependency ratio" is based on the latest demographic and social statistics by United Nations Statistics Division .
The Global Religious Landscape: A Report on the Size and Distribution of the World’s Major Religious Groups as of 2010 .
The dependent part includes the population under 15 years old and people aged 65 and over.The productive part of population accordingly consists of population between 15 and 64 years.Life expectancy at birth is one of the most important demographic indicator.It shows the number of years a newborn infant would live assuming that birth and death rates will remain at the same level during the whole lifetime.In other words the working population (labor force) in Iran must provide goods for itself and cover expenditure on children and aged persons.
And this part of population is less than 50% of working population.Below are the key figures for Iran population in 2017: ) as of May 2018.Density of population is calculated as permanently settled population of Iran divided by total area of the country.During 2018 Iran population is projected to increased by 1,033,697 people and reach 82,684,353 in the beginning of 2019.The natural increase is expected to be positive, as the number of births will exceed the number of deaths by 1,097,385.The National Jewels Treasury includes a jewel-encrusted 200-year old throne and the worlds largest pink square-cut diamond.