| Economic zones | 1000 | World | 
                
                  
                    | Economic zones | 1010 | European Union (evolutionary definition) | 
                
                  
                    | Economic zones | 1013 | Euro area since 1999 (evolutionary definition) | 
                
                  
                    | Economic zones | 1110 | European Union (15) | 
                
                  
                    | Economic zones | 1111 | European Union (25) | 
                
                  
                    | Economic zones | 1112 | European Union (27) | 
                
                  
                    | Economic zones | 1113 | Euro-zone (12) | 
                
                  
                    | Economic zones | 1114 | Euro-zone (13) | 
                
                  
                    | Economic zones | 1115 | European Economic Area | 
                
                  
                    | Economic zones | 1116 | Euro-zone (15) | 
                
                  
                    | Economic zones | 1117 | Euro-zone (16) | 
                
                  
                    | Economic zones | 2017 | Euro-zone (17) | 
                
                  
                    | Economic zones | 2018 | Euro-zone (18) | 
                
                  
                    | Economic zones | 2019 | Euro area (19) | 
                
                  
                    | Economic zones | 2020 | Euro area (20) | 
                
                  
                    | Economic zones | 2027 | European Union (27_2020) | 
                
                  
                    | Economic zones | 2028 | European Union (28) | 
                
                  
                    | Geographical zones | 5000 | World | 
                
                  
                    | Geographical zones | 5100 | Europe | 
                
                  
                    | Geographical zones | 5110 | European Union |