methods, notes and classification 
             
         
     
 
    
        
            
                
                
                
                
                    
                    
                        
                            0  All ISCED 2011 levels1  Less than primary, primary and lower secondary education (levels 0-2)2  Upper secondary and post-secondary non-tertiary education (levels 3 and 4)3  Tertiary education (levels 5-8)4  Not applicable5  No response0  All ISCED 2011 levels1  Less than primary, primary and lower secondary education (levels 0-2)2  Upper secondary and post-secondary non-tertiary education (levels 3 and 4)3  Tertiary education (levels 5-8)4  No response0  Total1  Native and foreign born immigrants (first and second generation of immigrants)2  Native-born3  Native-born with native background4  Native-born with mixed background and foreign background (second generation of immigrants)5  Native-born with mixed background (second generation of immigrants)6  Native-born with foreign background (second generation of immigrants)7  Foreign-born (first generation of immigrants)8  No response9  Unknown0  From 15 to 24 years1  From 15 to 29 years2  From 15 to 64 years3  From 20 to 64 years4  From 25 to 54 years5  From 55 to 64 years0  Belgium1  Bulgaria2  Czechia3  Germany (until 1990 former territory of the FRG)4  Estonia5  Greece6  Spain7  France8  Croatia9  Italya  Cyprusb  Latviac  Lithuaniad  Luxembourge  Hungaryf  Maltag  Austriah  Polandi  Portugalj  Romaniak  Slovenial  Slovakiam  Finlandn  Swedeno  Norwayp  Switzerlandq  United Kingdom