This paper explores the causality of economic growth in Ukraine, focusing on preserving and utilising resource potential amid war-related disruptions. The study identifies key resource groups—labour, capital, innovation, and entrepreneurship—as critical economic stability and post-war recovery determinants. The research applies a modelling framework to analyze the interdependencies between these factors and GDP per capita, emphasizing the impact of external migration, labour shortages, and declining investments. The findings indicate that large-scale emigration, industrial losses, and disruptions in supply chains have significantly hampered Ukraine's economic trajectory. Statistical modelling reveals that migration losses correlate with reduced labour productivity, weakened capital accumulation, and diminished innovation capacity. Forecast scenarios suggest GDP per capita could decline by up to 55.1% over the next decade without policy intervention. However, strategic reforms—focused on workforce retention, investment stimulation, business environment improvements, and innovation incentives—could enable an economic rebound, with GDP per capita potentially growing by 36.9% by 2034. The study concludes that effective government policies targeting resource preservation and optimization are crucial for Ukraine’s economic recovery. Addressing migration trends, labour market imbalances, and capital reinvestment can facilitate a sustainable post-war economic transformation.