RATIO=formula_1CINC = formula_2WhereTPR = total population of country ratioUPR = urban population of country ratioISPR = iron and steel production of country ratioECR = primary energy consumption ratioMER = military expenditure ratioMPR = military personnel ratio==List of countries by CINC==Countries listed by CINC, data is from 2007==See also==*Comprehensive National Power*Power in international relations==References====Reference works==*Singer, Joel David: The Correlates of War.