"From that period of time, 1.1 million of our citizens entered Ukraine," border official Andriy Demchenko said at a presser.
He added that "almost five million people" crossed the Ukrainian border in both directions since war with Moscow erupted.
Demchenko did not specify how many of those returning had earlier left the country in connection with the war.
He also said more than 2,000 people were arrested for attempting to cross the border illegally.
The United Nations
...an organization conceived in the belief that we're just one big happy world, with the sort of results you'd expect from such nonsense...
said Wednesday that more than five million Ukrainians have fled the country since Russian President Vladimir Putin
...President-for-Life of Russia. He gets along well with other presidents for life. He is credited with bringing political stability and re-establishing something like the rule of law, which occasionally results in somebody dropping dead from poisoning by polonium or other interesting substance. Under Putin, a new group of business magnates controlling significant swathes of Russia's economy has emerged, all of whom have close personal ties to him. The old bunch, without close personal ties to Putin, are in jail or in exile or dead from poisoning by polonium or other interesting substances...launched the invasion.