Most of Ukraine's 11 million displaced people want to return, but it's unclear how much will be left if they do.
Groups have met around the country in recent weeks to show their gratitude by cleaning up parks and other public places.
Newsweek spoke to two Ukrainians who after Russia invaded, faced the dilemma of whether to stay or go.
"Obviously, I have nothing against them housing refugees but I am a bit taken aback," the holiday-maker said.
Oliwia Dabrowska starred as the "girl in the red coat" in the 1993 film aged 3. She is now providing aid to Ukrainian refugees.
Ukraine is known as 'Europe's breadbasket,' but the war has turned the country 'from a breadbasket to a bread line' for millions of its people.
"You cannot evacuate 40 million people from a country, you can only evacuate a couple of thousands. And then what will happen to the rest?"
President Biden said the U.S. would accept 100,000 Ukrainians, but it likely will require reversing Trump administration changes to the immigration system.
The 4 million people who have fled represent almost 10 percent of the pre-war Ukrainian population, according to the United Nations' refugee agency.
Putin's spokesperson warned that "personal insults narrow the window of opportunity for our bilateral relations."
ICE currently has nearly 22,000 immigrants in custody at facilities across the country.
Valentyna Veretska, who fled Ukraine with her daughter after war broke out, was the first woman to finish Jerusalem's 2022 Marathon.
The controversial claim can be sourced to a recent Quinnipiac University poll that showed a wide partisan divide in Americans' responses. But is it accurate?
Up to 100,000 Ukrainians and others fleeing Russia's invasion will be welcomed to the U.S., according to a senior Biden administration official.
"To meet this commitment we are considering the full range of legal pathways to the United States" for refugees fleeing the invasion, a Biden official said.
Israeli medical clowns are bringing a much-needed moment of levity and calm to Ukrainian refugees at seven shelters in Moldova.
"If there was a choice of whose life to leave, and who will have to die," a young mother said, "I would choose death for myself and life for my son."
The Dutch royal family will offer a castle on the Het Loo Palace grounds to six to eight Ukrainian refugee families.
Myroslav Boitchouk, 22, has been attending medical school in Ukraine, but his family lives in Florida.
"Zelensky, a Jewish guy in Ukraine is not only leading the Ukrainian people; he is leading the free world," says prominent Rabbi Moshe Azman.
Media framing can influence public thinking on which refugees we should welcome and which ones we do not.
"It's not throwing rocks at Russian tanks or anything, but it's helping. I think that's important," the property owner said.
Most Ukrainian refugees will remain in Europe, but others will try to seek refuge in the U.S. How the U.S. welcomes this new wave of refugees will be on display.
The border policy was put in place to block entry into the U.S. during the pandemic. Now it's keeping out Ukrainians who are fleeing Russian invaders.
When Jamala won the 2016 Eurovision Song Contest, she never anticipated that her ballad "1944" would take on new meaning.
The Department of Homeland Security announced Temporary Protected Status for Afghanistan refugees for the next 18 months.
One house had 20 people in and another had 15. The children weren't playing. There were no toys and they often only had the clothes they were wearing.
The video shared by a 20-year-old woman has reached over five million views, but her family are still in their bunker in Ukraine, she said.
"There's one video, it's nighttime, she's on her porch and the air raid sirens are going off," Billy White said.
"He's an infant, he's small, he doesn't have anything," Olya Korol said.