Share (%) of GDP going to Research and Development (R&D) in 2020 (Belgium: 2017, Germany :2019) - Territorial entities: NUTS 2 - Data source: European Commission Eurostat/GISCO 2023. Harmonization: SIG-GR/GISGR 2023

- Change in working age population (20-64 years) 2000-2021 (Lorraine: 1999-2019) - Territorial entities: arrondissements (Lorraine, Wallonie), Grand Duchy (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Destatis, INSEE, Statbel, STATEC. Calculations: OIE/IBA 2022 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2022

- Number of nights spent and nights/population ratio in 2016 - Territorial level: NUTS 2 - Sources: Eurostat - European Commission 2016, EuroGeographics 2013. Harmonization: Lepur - ULiège

- Projection of working age population (20-64 years) 2020-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: INSEE, Statec, Statbel-DEMOBEL, Statistisches Landesamt Rheinland-Pfalz, Statistisches Amt Saarland / Destatis. Calculations: OIE/IBA 2020 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2020

- Cross-border commuters from France to Wallonia at place of work (provinces): 2011-2021 - Territorial entities: Provinces - Commuting data sources: INAMI 2022. Calculations: OIE/IBA 2022 - Geodata sources: NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2022

- Share of the working age population (20-64 years) in total population 2019 (Lorraine: 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 2020 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- INTER'RED project: Spezialised teams - Water supply - Data sources: Partners of the INTERREG V A project INTER'RED

- Cross-border commuters from France to Rhineland-Palatinate at place of work (Kreise): 2011-2019 - Territorial entities: Kreise - Commuting data sources: Bundesagentur für Arbeit 2020. Calculations: OIE/IBA 2020 - Geodata sources: GeoBasis-DE / BKG 2017. Harmonization: SIG-GR / GIS-GR 2020

- INTER'RED project: main fire stations - Data sources: Partners of the INTERREG V A project INTER'RED

Share of road traffic accidents involving injury with motorized two-wheel vehicles (2012-2016) - Source: Sub-Working Group on Road Safety of the Summit of the Greater Region 2017 - Base map: © ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017