In 2030, the population of Eastern Europe will fall to 316 million. Click to tweet! The population is ageing rapidly. This is compounded by a falling birth rate and increasing life expectancy. Elderly population aged 65+ years will account for nearly 1-in-5 of the region’s total population in 2030. Moscow is the region’s biggest city and will be home to 5.9% of the region’s urban dwellers in 2030.