An exploration of Changes in the International Sustainability Index

Indicators of sustainability as an efficient tool to help decision-makers and policy-makers to make better decisions and work more effectively towards sustainable development, so far, efforts at the global level and national level to develop appropriate sustainability, comprehensive and effective indicators carried out and this process has not stopped yet and will continue. September 2015 coincided with the adoption of sustainable development goals SDGs that will replace the Millennium Development Goals MDGs. Sustainable Development Goals offer exhaustive set of Goals and targets which will be also includes comprehensive indicators.Method of study: This study is an overview of the most important sustainability indicators from past up to present (including CSD, MDGs, EPI& SDGs), and it pointed out paying attention to the importance of sustainability indicators and use them correctly by the decision makers. In this study the formation and changes of some set of sustainability indicators mentioned in details and the concept of the rank and score of environmental performance indicators discussed and analyzed.Reviewing the changes of sustainability indices can guide decision-makers in making better use of the implications for effective policy making. Indicators of sustainable development goals SDGs will be as tools for monitoring and leading countries towards sustainable development for the period 2015 -2030 so this opportunity can offer proper model to assessing sustainability in national level.