- Population density 2023 (inhabitants per km²), Lorraine: 2021 - Territorial entities: arrondissements (Lorraine, Wallonie), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Harmonization: IBA / OIE 2024 - Geodata sources: GeoBasis-DE / BKG, IGN France, NGI-Belgium, ACT Luxembourg. Harmonization: SIG-GR / GIS-GR 2024

Green stars restaurants of the Guide Michelin 2024 - Source: Guide Michelin 2024

- Share of the working age population (20-64 years) in total population 2023 (Lorraine: 2021) - Territorial entities: arrondissements (Lorraine, Wallonie), Grand Duchy (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis; INSEE; Statbel, STATEC. Calculations: OIE/IBA 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- LEADER Regions 2023-2027 - Data: LVermGeo Rheinland-Pfalz, Ministère de l'Agriculture, de l’Alimentation et de la Viticulture Luxembourg, Ministerium für Umwelt, Klima, Mobilität, Agrar und Verbraucherschutz Saarland, Région Grand Est, Réseau wallon PAC. Harmonization: GIS-GR 2024

- Change in total population 2000-2023, Lorraine: 1999-2021 - Territorial entities: arrondissements (Lorraine, Wallonie), cantons (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Calculations. IBA / OIE 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Projection of total population 2024-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, Eurostat, Statbel, STATEC, Statistisches Amt Saarland, Statistisches Landesamt Rheinland-Pfalz. Calculations: OIE/IBA 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Change in working age population (20-64 years) 2000-2023 (Lorraine: 1999-2021) - Territorial entities: arrondissements (Lorraine, Wallonie), Grand Duchy (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Calculations: OIE/IBA 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Cross-border commuters from Wallonia to Luxembourg at place of residence (Arrondissements): 2013-2023 - Territorial entities: Arrondissements - Commuting data sources: INAMI. Calculations: OIE/IBA 2024 - Geodata sources: NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Projection of working age population (20-64 years) 2024-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, Eurostat, Statbel, STATEC, Statistisches Amt Saarland, Statistisches Landesamt Rheinland-Pfalz. Calculations: OIE/IBA 2024 - Geodata sources: ACT Luxembourg, IGN France, GeoBasis-DE / BKG, NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024

- Cross-border commuters from Wallonia to France at place of residence (provinces): 2013-2023 - Territorial entities: provinces - Commuting data sources: INAMI. Calculations: OIE/IBA 2024 - Geodata sources: NGI-Belgium. Harmonization: SIG-GR / GIS-GR 2024