Is a Standardized Global Nutritional Index an Effective Tool for Measuring and Addressing Malnutrition Across Countries with Diverse Socio-economic and Cultural Contexts?

Malnutrition remains a major global challenge, affecting both low- and high-income countries through undernutrition, micronutrient deficiencies, and rising obesity. Efforts to track and address these issues often rely on standardized global nutritional indices, such as the Global Hunger Index (GHI) and measures from the State of Food Security and Nutrition in the World (SOFI) report. These tools provide valuable comparability across nations, highlight global trends, and support advocacy by showing the scale of the problem—for instance, recent data estimate that about 2.6 billion people cannot afford a healthy diet . However, evidence shows that a single global index cannot fully capture the diversity of socio-economic conditions, dietary patterns, and health risks across countries. In India, for example, debates around the GHI highlight that some global indicators do not directly measure hunger or reflect local realities. Population-specific health thresholds, such as Asian BMI cut-offs, further show the need for context-sensitive metrics. This paper argues that while a standardized index is useful for global monitoring and accountability, effective solutions require a hybrid framework: a global core set of indicators complemented by local adaptations that reflect cultural diets, sanitation, and intra-country inequalities.