Estimated the Index of crime in Iran Using the fuzzy Method: Economic Approach

One of the essential components of economic development and welfare is the security. Security is a source of psychological welfare. Moreover, security lives and property, the welfare of illusion and failure to attract investment and promote instrument market. Therefore the purpose of this study was to estimate the index of crime in Iran using the fuzzy approach during the period. variables of poverty and unemployment rate using as causal factor so of crime in order to estimate the index of crime. For estimates the poverty index, Gini coefficient, inflation and per capita income are used as input variable. The results of this study show that the index of crime have been fluctuating in some years but in recently years the trend index of Crime has been upward and follows the poverty index significantly. Crime index shows the lowest crime took place between 1978 and 1980, then increased until 1997, but has faced with slight fluctuation. It has rising again since 1997 and reached the highest level in 2011. In the years 2009 to 2011, because of the recession and sharp decline in economic growth, poverty index and crime index have faced with highest level.