There is a lack of exhaustively investigation for the public speech and the modality of politicians’ speech is been researched for the very first time. The society is highly interested in politics and it has a big influence on the users of language. The paper deals with the modality conception and its expression ways in politicians’ speech. The political discussions program’s “Spaudos klubas” materials are used for studies. After analysis of politicians spoken language was made, some bents for modality usage came to light. In a case of epistemic modality possibility and reality, that embrace real facts, are expressed in politicians’ speech. And in a case of deontic modality possibility and necessity, that encompass will acts, are expressed. The usage of dynamic modality in politicians’ speech is very rare. Realis is put into words by indicative mood and irrealis – by subjunctive and imperative mood. Another way politicians express irrealis is future tense. All basic senses of primary modality - reality, possibility and necessary, are introduced in politicians’ spoken language. In discussions programs politicians mostly use reality meaning sentences (65,35 percent). In telecasts people in politics use all types of basic modal sentences. Direct sentences are used in the most part, it is evade a usage of incentive sentences and the number of interrogative sentences is the least. Secondary modality categorical reliability expression cases are more frequent than the problematic... [to full text]