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European Statistics Code of Practice

European Statistics Code of Practice

The European Statistics Code of Practice sets out principles to be followed by the members of the European Statistical System (ESS). Accompanied by the Quality Assurance Framework (guidelines for the implementation of the Code) and the Quality Glossary, the Code constitutes the basis of the ESS Common Quality Framework that is meant to ensure the quality of official statistics. The Code was adopted in 2005 and the latest revision took place in November 2017 when it was also supplemented with the Quality Declaration of the ESS.

The principles of the Code cover three main areas: the institutional environment, statistical processes and statistical products. The implementation of the principles has been regularly monitored since the year of adoption; the monitoring system has been built up gradually: from using a standard self-assessment questionnaire (2005-2006), peer reviews (2006-2007), to annual progress reports on the fulfillment of development plans. An independent committee (ESGAB) was set up in 2008 in order to monitor the application of the Code in the ESS and to advise on management issues regarding the Code of Practice.

Two rounds of peer reviews of the European statistical offices have taken place so far: in 2006-2008 and in 2013-2015. Hungary participated in the elaboration of the methodology for the second round of peer reviews. The delegation of experts from Eurostat and other member states visited the Hungarian Central Statistical Office in 2007 (report available in Hungarian and English), and in 2015 (report available in Hungarian and English).


  • European Statistics Code of Practice (2017, EN)
  • ESS Quality Assurance Framework (EN)
  • ESS Quality Glossary (EN)
  • National Statistics Code of Practice (EN)