The websites below are the source of official statistic data obtained during the research connected with the Program of public statistics.

Statistics information placed here are the result of genuine, objective, professional and independent research.

Statistical Office in Warsaw:

• There is no objection connected with copywriting of data and websites and printing including personal changes and summaries on condition that the source is given.
• There is no objection connected with connections through links with website address, on condition that the source of the files or data is given.
• It is not liable for the content of websites connected by links with SO and for presenting personal summaries (changes in the text) based on SO data.