|National LEO studies|
|National AES studies|
|Previous international literacy surveys|
*** Complaints Office ***
FDZ PIAAC is accredited by the German Data Forum (RatSWD). The RatSWD runs a complaints office for problems with the use of data that cannot be resolved with the appropriate person in the respective FDZ. For further details please visit the RatSWD website: https://www.ratswd.de/en/info/complaints-office.