This paper briefly introduces the Population and Public Amenities Projections for Prague, a new study conducted by the Office for City Analysis at Prague Institute of Planning and Development in the year 2022. We include only some the results. All the results and implications can be accessed in the document of the study. It is one of the key sources for the debate on the current and future needs of public amenities in the city. The Prognosis is a part of Prague Planning Analytical Materials and serves as an important foundation for urban planning documents, urban studies, development projects in Prague, decision-making, and other activities concerting the development of the city.