Change in working age population (20-64 years) 1999-2019 (Lorraine: 1999-2017) Territorial entities: arrondissements (Wallonie), zones d'emploi (Lorraine), Grand Duchy (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) Statistical data sources: Destatis, INSEE, Statbel, STATEC. Calculations: OIE/IBA…