Public Private Partnership (PPP) projects are being implemented by governments for similar reasons across the globe, such as removing the responsibility of funding the investment from the government´s balance sheet, introducing competition, benefiting from the expertise, experience and technology of the private sector that would lower the project delays and cost overruns. Despite sharing common motivation factors in pursuing PPP projects, the development trends, models used, legal context and legislations differ from one country to another. Depending on country’s needs and political atmosphere, governments decide on the sector, where they want to use PPP and the appropriate PPP model to execute their projects. In this study, a comparative study is conducted to underline main differences and similarities between PPP practices in different parts of the world. The comparisons are based on diversification of infrastructure needs and investment sectors, legal context and PPP models used. This study investigates how use of PPP projects differs from one country to another and regions in the world. Similarities are also analyzed to summarize the state of the art of PPP practices to provide a global approach.