The article discusses the connection of four daily newspapers of the Grand Duchy of Luxembourg - “Luxemburger Wort”, “Tageblatt”, “Lëtzebuerger Journal” and “Zeitung vum Lëtzebuerger Vollek” - with the party system. The scientific novelty of the research lies in the fact that the Luxembourg press has never been studied by Russian scientists either in general or from the point of view of political engagement, which the authors study in four aspects: historical, in point of content, economic and audience (in this case it’s about media preferences of politicians - party members). However, there is a positive side to the political commitment of the Luxembourg editions: the connection with political parties contributes to maintaining the diversity of the newspaper landscape of Luxembourg.