The Russian invasion of Ukraine and the consequent displacement of millions of people will have a significant impact on the country’s long-term population structure. Researchers from the Austrian Academy of Sciences, IIASA, and the University of Vienna are forecasting a substantial population decline of 21–31% by 2052. The Russian invasion of Ukraine and the consequent displacement of millions of people will have a significant impact on the country’s long-term population structure. Researchers from the Austrian Academy of Sciences, IIASA, and the University of Vienna are forecasting a substantial population decline of 21–31% by 2052. Political science Phys.org – latest science and technology news stories