OLiS

OLiS (Oficjalna Lista Sprzedaży; Official Sales Chart) is the official chart of the 100 highest selling music albums in Poland. The chart exists since 23 October 2000 and is provided by ZPAV.

Until January 2023 the chart consisted of 50 albums, based only on physical sale. Since January 2023 the chart consists of 100 albums and is based on both physical sale (compiled by Kantar Polska) and listeners in four streaming services (compiled by Ranger agency): Spotify, YouTube (including YouTube Music and YouTube Premium), Apple Music and Deezer.