What is official statistic?

Some articles on official statistic, official statistics:

Heritage At Risk - Official Statistic
... at Risk data produced by English Heritage is an official statistic ... As an official statistic, the methodology for collecting, analysing and publishing the data follows the regulations set out in the Code of Practice for Official Statistics January 2009 ...

Famous quotes containing the word official:

    All official institutions of language are repeating machines: school, sports, advertising, popular songs, news, all continually repeat the same structure, the same meaning, often the same words: the stereotype is a political fact, the major figure of ideology.
    Roland Barthes (1915–1980)