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Correlational subjects

Correlational Subjects » ERA (temporal period) » Average happiness in era » Trend average happiness in era » Trend average happiness in special publics » Trend average happiness marital categories » Trend average happiness among singles

Classification path:
ERA (temporal period) Average happiness in era Trend average happiness in era Trend average happiness in special publics Trend average happiness marital categories Trend average happiness among singles
Related correlational subjects
Keywords
unmarried, never married