The Global Sustainable Competitiveness Index (GSCI) is the most comprehensive ranking of countries currently available. The GSCI measures the competitiveness of countries based on 127 measurable, quantitative indicators derived from reliable sources, such as the World Bank, the IMF, and various UN agencies. The 127 indicators are grouped into 5 sub-indexes: Natural Capital, Resource Efficiency & Intensity, Intellectual Capital, Governance Efficiency, and Social Cohesion.