This dataset is a global grid gross domestic product (GDP) dataset. In order to provide consistent products in time and space, only national data is used indirectly to adjust national value of report. Therefore, it is still the representative of official statistics. This dataset includes the annual grid dataset of global per capita GDP (PPP) and total GDP (PPP), with a resolution of 5 arc-min. In addition, in three time periods (1990, 2000 and 2015), the total GDP (PPP) adopts 30 arc-sec resolution.