The Global Hunger Index (GHI) is a tool that measures and tracks hunger globally, by region, and by country. The GHI is calculated annually, and its results appear in a report issued in October each year. Created in 2006, the GHI was initially published by the International Food Policy Research Institute (IFPRI) and Welthungerhilfe. In 2007, the Irish NGO Concern Worldwide also became a co-publisher. In 2018, the GHI was a joint project of Welthungerhilfe and Concern Worldwide, with IFPRI stepping aside from its involvement in the report.