This paper discusses contemporary societal roles of German in the Baltic states (Latvia, Estonia, Lithuania). Speaker and learner statistics and a summary of sociolinguistic research (Linguistic Landscapes, language learning motivation, language policies, international roles of languages) suggest that German has by far fewer speakers and functions than the national languages, English, and Russian, and it is not a dominant language in the contemporary Baltics anymore. However, German is ahead of 'any other language' in terms of users and societal roles as a frequent language in education, of economic relations, as a historical lingua franca, and a language of traditional and new minorities. Highly diverse groups of users and language policy actors form a 'coalition of interested parties' which creates niches which guarantee German a frequent use. In the light of the abundance of its functions, the paper suggests the concept 'additional language of society' for a variety such as German in the Baltics - since there seems to be no adequate alternative labelling which would do justice to all societal roles. The paper argues that this concept may also be used for languages in similar societal situations and, not least, be useful in language marketing and the promotion of multilingualism.