The industrial production indices are calculated using the chaining method introduced starting from the publication of the data relating to the month of January 2022. From January 2026, the calculation base is set to the year 2025, while the reference base, in line with the other short term indicators, remains the year 2021. Indices are produced according to Ateco 2007 classification (Italian edition of Nace Rev. 2). The purpose of this review and any resulting updates is to guarantee that the indices remain robust and to adapt them to economic or technical developments, in particular by including the monitoring of ... (full story)