The contemporary demographic development of the City of Pula after 1991 is the result of numerous factors. The geographical location, favourable natural-geographical characteristics and historical-geographical development influenced on the demographic processes of the researched area. In the first part of the thesis, general information about the City and a review of the previous researches are given. The main factors of the demographic development of the City of Pula were analysed, namely the number of inhabitants, the spatial mobility of the population and the composition of the population. The development of the population determines the composition of the population by gender and age and vice versa. In the first part of the thesis, the socio-economic composition of the population is also presented, which is an important factor of the City of Pula’s demographic picture. In the second part of the thesis, demographic projections are presented. Demographic projections are important indicator of the future population development of the City of Pula. Negative demographic processes in the City of Pula began in the 1990s, and the presented demographic projections confirm theses about the negative processes to be continued in the future.