The Institute for the Just Transition (ITJ) is a Spanish public body "Public body (Spain)"), attached to the Ministry for the Ecological Transition and the Demographic Challenge, whose objective is the identification and adoption of measures that guarantee workers and territories affected by the transition towards a more ecological, low-carbon economy, equitable and supportive treatment, minimizing the negative impacts on their employment and depopulation. territories.[4]​.

The Agency was created in 1998 by Law 66/1997, of December 30, on Fiscal, Administrative and Social Order Measures[5]​ with the name Institute for the Restructuring of Coal Mining and Alternative Development of the Mining Regions (IRMC), and since 2020 it has received its current name.[6]​.