Meta-Analysis of the Style of Iran's Demographic Challenges After the Islamic Revolution of Iran (Case of Death) 1991-2020

The present study is taken from a doctoral dissertation entitled "Meta-analysis of the style of Iran's population challenges (case of mortality) 1991-2020".

The research method is meta-analysis and the statistical population is research and articles related to mortality during the last three decades.

According to statistical data and factors affecting mortality, extensive changes in the type of disease and its impact on death as the most vital issue after fertility on mortality have occurred. Data analysis showed that the study of findings with geometric mean to calculate the growth rate of various diseases shows that the growth rate of cardiovascular disease in 2020 compared to the base year 1991 more than other diseases in all three decades and also in the next stage of this growth It belongs to the diseases of the respiratory system. (With the prevalence of coronary heart disease, this issue can be further investigated). On the other hand, infectious and parasitic diseases have had the most negative growth, which indicates a change in lifestyle and health facilities in cities and villages. On the other hand, it seems that air pollution and environmental pollution have changed the pattern of diseases among people in large cities and increased other types of diseases among people, although its impact on mortality rates relative to the total population may be Seem limited. Other important findings include the impact of the corona on mortality rates in recent years.

Further study of the findings with geometric mean to calculate the growth rate of various diseases in two consecutive years 1398 and 1399 shows that the growth rate of coronary heart disease was higher than other diseases. On the other hand, the increasing growth of pregnancy and childbirth complications and diseases around birth indicate changes in the pattern of this type of disease among pregnant women and children born. On the other hand, these complications may also be due to coronary heart disease. On the other hand, the most negative growth is related to infectious and parasitic diseases, which indicates the control of these types of diseases in the country.