In 2005 a group of six national statistical societies was created. The members of this group were: Czech Republic, Hungary, Romania, Slovakia and Slovenia. Each year delegates from each national statistical societies of above mentioned countries meet together and discuss common targets and problems.
In 2005, the first meeting was organised by the Hungarian Statistical Society in Budapest, where the discussion about statistical ethics was initiated. At the end of the meeting, a Cooperation Agreement was signed by the delegates of the six national statistical societies.
In 2006, the second meeting was held in Bratislava, Slovakia, where the proposal of common ethical code for all statistical societies was presented and discussed, but finally it was decided that each statistical society would create its own ethical code. Aside from that, the presentation of future activities of statistical societies was also a part of the programme.
The third meeting took place in Ljublana, Slovenia and the fourth in Prague. The main topic of the Prague’s meeting was named as „Current Trends in Statistics in V6 Region“. Moreover, the conference about mathematical statistics and probability for students of statistics from all member countries was also organised.
The fifth meeting was held in Bucharest, Romania, in 2009. It was also the 150th anniversary of the Romanian National Institute of Statistics. The main topic of this meeting was „How to face the crisis from the official statistics perspectives“.
The sixth meeting was organised by the Austrian Statistical Society and was held in Vienna. The topics related to unifying the national statistical societies from countries of the entire Europe that presented in Paris in the same year, were part of the discussion.
The new turn in organisation of meetings started in 2011, when the conference was held in Visegrád, Hungary. The meeting was a part of the conference which was organised by the Hungarian Statistical Office and Eurostat at the end of Hungarian Presidency of the Council of the European Union. The declaration of increase of independence of statistics of political and commercial influence was signed.
In 2012, the meeting was organised by the Slovak Statistical and Demographical Society. In relation to the revision of the European statistical legislation, current issues of the European statistical systems were part of the discussion. The delegates once again stressed the importance of independence of the professional official statistics of political and commercial influence. The common proclamation was also signed.