In the United States Senate, they are elected by their respective party conferences to serve as the chief Senate spokespeople for their parties and to manage and schedule the legislative and executive business of the Senate.
संसदीय राज्यपद्धतीमध्ये पंतप्रधान हा संसदेच्या कनिष्ठ सभागृहाचा प्रमुख असतो व तो व त्याचे मंत्रीमंडळ सरकारची धोरणे व प्रस्ताव संसदेसमोर मांडतात.