This thesis examines tax havens, specifically it searches for factors which influence the probability that a given country becomes tax haven. Nowadays there are roughly 40 tax havens all over the world. The main target of this thesis is to find out what effects does the demographic, economic and geographic indicators have on their ex- istence. By using the extensive dataset for the period of 6 years we illustrate the time development and possible trends. With the help of several standard regression methods we confirmed the already existing hypothesis that tax havens are inclined to be small and more affluent jurisdictions. Moreover, the results indicate that the quality of governance in tax havens is substantially higher than in other countri...