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	Gender Development Index	Global Gender Gap Index
Field	Gender Studies	Gender Studies
Family	Process / pipeline	Process / pipeline
Year of origin	1995	2006
Originator	UNDP Human Development Report Office	World Economic Forum (Hausmann, Tyson & Zahidi)
Type	Composite development index (ratio form)	Composite gap index
Seminal source	United Nations Development Programme (2014). Human Development Report 2014 — Sustaining Human Progress: Reducing Vulnerabilities and Building Resilience (Technical Note on the Gender Development Index). UNDP.	World Economic Forum (2023). Global Gender Gap Report 2023. World Economic Forum, Geneva.
Aliases	GDI, Gender-related Development Index, UNDP Gender Development Index	GGGI, WEF Gender Gap Index, Global Gender Gap Report Index
Related	4	4
Summary	The Gender Development Index (GDI) is a UNDP composite that measures gender gaps in human development by computing the Human Development Index separately for women and men and expressing the female value as a ratio of the male value. First introduced as the Gender-related Development Index in the 1995 Human Development Report and redesigned in 2014, it covers the same three dimensions as the HDI — a long and healthy life, knowledge, and a decent standard of living — and reports how far female human development falls short of, or exceeds, male human development.	The Global Gender Gap Index (GGGI) is the headline measure of the World Economic Forum's annual Global Gender Gap Report, first published in 2006. It benchmarks gender parity by measuring female-to-male ratios across four subindexes — economic participation and opportunity, educational attainment, health and survival, and political empowerment — and reports the share of each gap that has been closed, deliberately ignoring countries' absolute levels of development.