Devastated by Russia’s invasion eight months ago, the Ukrainian economy will plunge 35% this year. : WASHINGTON -- Devastated by Russia's invasion eight months ago, the Ukrainian economy will plunge 35% this year, the World Bank forecast Tuesday. The war has destroyed factories and farmland and displaced millions of Ukrainians. The World Bank, a 189-country anti-poverty agency, estimates that rebuilding the country will cost at least $349 billion, 1.5 times the size of Ukraine's prewar economy.