The present study aims to investigate the impact of economic complexity and degree of trade openness on gross domestic product growth in oil-producing countries. It applies a descriptive methodology along with a correlational research design. The relationship between the variables is analyzed using the data collected from the World Bank website and the International Monetary Fund. In other words, this research enjoys an ex post facto design, which is quasi-experimental. Moreover, it is categorized as a library, analytical, and causal study which is based on panel data analysis. All the oil-producing countries form the population of the study as a case study from 2006-2020, from which 10 countries are chosen as the statistical sample. The results of the study revealed that economic complexity and trade openness impact gross domestic product growth in a significant manner. Manuscript profile