Quality in health, social, economic, educational, political and religious. This covers all aspects To compare the effects of certain arbitrary. Is anyone or any country may set standards. To meet the needs of each society. And the quality of life must inevitably change over time.
Quality in health care, education, social, economic, political, and religious, that's every aspect will be the closest comparison is not with the rules, of course, is that everyone or every country may have different standards based on the needs of each society and to the quality of life he surely change over time.