Nutrition critical data: How GRID can help you better understand inequalities in child nutrition Format Around 1 in 5 children under five, 149 million globally, suffer from stunting, a severe form of malnutrition which severely impairs children's physical and cognitive development. These dire figures, from the latest Joint Child Malnutrition Estimates (JME), do not factor in the impact of the pandemic, which is likely to exacerbate malnutrition dramatically according to WHO, UNICEF and the World Bank. With a decade left to achieve Agenda 2030, it has never been more important to have the data to inform decisions about investments in nutrition and hold governments to account at our fingertips.