Nowadays different countries of the world have serious and urgent problems in many social and environmental issues and sustainable development; achieving sustainable development is the goal of every society and attention to welfare and well - being in society is the mos More
Nowadays different countries of the world have serious and urgent problems in many social and environmental issues and sustainable development; achieving sustainable development is the goal of every society and attention to welfare and well - being in society is the most effective means to achieve sustainable development. The aim of this study is to investigate the spatial analysis of welfare and social security indices in Iran using multi - criteria decision making technique of CoCoso. The findings show that in the first strategy (Ka), Tehran province with a score (0.042), Khorasan Razavi province with a score (0.041) and east Azerbaijan province have the highest scores in this strategy. In second strategy (Kb) Tehran province with a score (17.55) Khorasan Razavi province with a score (14.734) and Isfahan province with a score (13.104) they have the highest scores in the second strategy. In the third strategy (Kc) Tehran province with a score (1), Khorasan Razavi province (0.981) and East Azerbaijan scored the highest score by scoring (0.938). In the 22 provinces in the medium and deprived state, improving the welfare and Well-being indices in these areas requires special attention of decision makers and decision - makers.
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