Journal of Sustainable Development and Green Technology JSDGT 10.54216/JSDGT https://www.americaspg.com/journals/show/3762 2022 2022 Tashkent State University of Economics, Uzbekistan Eshonkulova Eshonkulova This article analyzes the investment attractiveness of various countries by developing ranking systems and econometric models. These models, based on key economic indicators, evaluate countries' investment potential and provide forecasted values for the Global Innovation Index (GII). Using a weighted scoring method, we rank countries according to their investment attractiveness. The study further constructs an econometric model to explore the relationship between investment factors and innovation development, highlighting key areas for policy improvement. 2025 2025 01 05 10.54216/JSDGT.050101 https://www.americaspg.com/articleinfo/38/show/3762