aspg-38-3762-1792226245 20261017083725 American Scientific Publishing Group admin@americaspg.com American Scientific Publishing Group Journal of Sustainable Development and Green Technology JSDGT 2836-5399 2025 5 1 Eshonkulova Sayyorabonu Tashkent State University of Economics, Uzbekistan 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 01 04 3762 https://creativecommons.org/licenses/by/4.0/ 10.54216/JSDGT.050101 https://americaspg.com/journal/38/article/3762 https://americaspg.com/storage/articles/manuscripts/01M0MVMXYR6T8Q7B1Y1798ZV9E.pdf