To ensure the transparency and consistency of statistical data, Banco de Portugal has defined a revision policy concerning the statistics under its responsibility, which is disclosed on its website.

Revisions are made with parsimony

The revision of previously published statistical data is limited to situations where it adds material value in terms of statistical meaning.

Duly explained

When statistical results that have been previously published are significantly revised, Banco de Portugal explains the main alterations introduced.
 

And scheduled

Statistics under the responsibility of Banco de Portugal are revised in accordance with the calendar published on the Bank’s website at the start of each year (the release and revision calendar).