- Cross-border commuters from France to Saarland at place of work (Kreise): 2007-2017 - Territorial entities: Landkreise - Commuting data sources: Bundesagentur für Arbeit 2018. Calculations: OIE/IBA 2018 - Geodata sources: GeoBasis-DE / BKG 2017. Harmonization: SIG-GR / GIS-GR 2018

- Increase and decrease in population 2000-2016 (Lorraine: 1999-2015) - Average annual growth rate of the population 2000-2016 (Lorraine: 1999-2015) - Territorial entities: Cantons (LOR, LUX), Kreise (RLP, SL), arrondissements (WAL) - Statistical data sources: INSEE Grand Est, Statistisches Landesamt Rheinland-Pfalz, Statistisches Amt Saarland, STATEC, IWEPS. Calculations: LISER 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Ratio between the number of older people (over 65) and the number of people of working age (20-64) in 2016 (Lorraine: 2014, Luxembourg: 2017) - Territorial entities: Cantons (LOR, LUX), Kreise (RLP, SL), arrondissements (WAL) - Statistical data sources: INSEE Grand Est, Statistisches Landesamt Rheinland-Pfalz, Statistisches Amt Saarland, STATEC, IWEPS. Calculations: LISER 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Cross-border commuters from Saarland to Luxembourg at place of residence (Kreise): 2009-2017 - Territorial entities: Landkreise - Commuting data sources: IGSS 2018. Calculations: OIE/IBA 2018 - Geodata sources: GeoBasis-DE / BKG 2017. Harmonization: SIG-GR / GIS-GR 2018

- Airport freight (in tonnes) 2017 - Trimodal hubs rail-road-water - Ports TEN-T - Commercial and industrial warehouse area (>25ha) - High-speed railway lines - Railway lines TEN-T - Main roads (core network TEN-T - Secondary roads (comprehensive network TEN-T) - Navigable waterways - Maritime links - Driving time to multimodal platforms in minutes (isochrones) - Sources: GISCO 2017; SIG-GR / GIS-GR 2017; European Environment Agency - 2012; OSM-2017; European Commission 2017; EUROSTAT 2018. Harmonization: CREAT-UCL 2018

- Population density 2016 (inhabitants per km²) per municipality - Statistical data sources: INSEE Grand Est, IWEPS, Statistisches Landesamt Rheinland-Pfalz, Statistisches Amt Saarland, STATEC. Harmonization: LISER 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Cross-border commuters from Wallonia to France at place of residence (Arrondissements): 2007-2017 - Territorial entities: Arrondissements - Commuting data sources: INAMI 2018. Calculations: OIE/IBA 2018 - Geodata sources: NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Projection of total population 2018-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Eurostat; INSEE Grand Est; SPF Economie; BFP-DGSIE; STATEC; Statistisches Landesamt Rheinland-Pfalz; Statistisches Amt Saarland. Calculations: OIE/IBA 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Change in total number of young unemployed (15-24 years) 2010-2017 - Territorial entities: arrondissements (Wallonie), zones d'emploi (Lorraine), Grand Duchy (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Employment data sources: ADEM; ADG; Bundesagentur für Arbeit; Eurostat; Le Forem; Pôle d'emploi - Dares. Calculations: OIE/IBA 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018

- Projection of working age population (20-64 years) 2018-2050 - Territorial entities: arrondissements (Wallonie), départements (Lorraine), Grand-Duché (Luxembourg), Kreise (Saarland, Rheinland-Pfalz) - Statistical data sources: Eurostat; INSEE Grand Est; SPF Economie; BFP-DGSIE; STATEC; Statistisches Landesamt Rheinland-Pfalz; Statistisches Amt Saarland. Calculations: OIE/IBA 2018 - Geodata sources: ACT Luxembourg 2017, IGN France 2017, GeoBasis-DE / BKG 2017, NGI-Belgium 2017. Harmonization: SIG-GR / GIS-GR 2018