Generally Human Development Index (HDI) is -the process of developing the selections in capability space for achieving a better life-. Based on this definition, we can investigate the changes of HDI in a definite time period. The current study attempts to investigate and present effective solutions in improving HDI in fifth development plan. The results of this investigation showed that HDI in Iran during 1975 to 2005 increased from 0.571 in 1975 to 0.759 in 2005. This increase is due to the increase of life expectancy and literacy index increase. The results of this study showed that in the recent 40 years, the capital income compared to two mentioned indices had fewer shares in improving development level. To achieve high development level in terms of humanity during the fifth development plan, the change of economical, social structures is necessary in the society. To achieve the goals of 20-year vision and fifth development plan, some solutions with the comparison between the countries in the region and the Islam world was presented.

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