This article presents an analysis of the most important demographic phenomena and processes connected with vital statistics and migration which took place in Silesian viovodeship between 2002 and 2007. The analysis are compared to population transformations in Poland. The author describes demographic phenomena in Silesian voivodeship such as: contracting marriages and dissolving marriages, reproduction, fertility and mortality as well as internal and international migration. She also presents population structure by sex and age. The last part of the article contains long-term population projection related todemographic potential of Silesian voivodeship.