The U.S. government will be welcoming up to 100,000 Ukrainians fleeing the war-torn country, multiple media reports indicate.
The White House is expected to announce the plan shortly as President Joe Biden meets with NATO leaders in Brussels.
A U.S. official confirmed the plan to allow up to 100,000 Ukrainians and other people leaving the country after the month-long attack by Russia on Ukraine, The Associated Press reported.
>>Related: NATO, other summits held as Russian invasion of Ukraine reaches 1-month mark
The exact number of people who would be permitted to enter America could change, The Washington Post reported.
Since the invasion started last month, more than 3.5 million people have left Ukraine, the AP reported.
The majority of the refugees have escaped to other European countries, starting a humanitarian crisis in the region, CNN reported.
Russia's invasion of Ukraine A displaced Ukrainian woman cries as she waits to get on a train to Poland, at the Lviv railway station, in Lviv, western Ukraine, Thursday, March 3, 2022. Russia’s invasion of Ukraine has forced more than a million people to flee their homeland in just a week. (AP Photo/Bernat Armangue) (Bernat Armangue/AP)
Russia's invasion of Ukraine Bogdan, 41, says goodbye to his wife Lena, 35, on a train to Lviv at the Kyiv station, Ukraine, Thursday, March 3. 2022. Bogdan is staying to fight while his family is leaving the country to seek refuge in a neighbouring country. (AP Photo/Emilio Morenatti) (Emilio Morenatti/AP)
Russia's invasion of Ukraine Kateryna Suharokova kisses her newborn son Makar in the basement of a maternity hospital converted into a medical ward and used as a bomb shelter in Mariupol, Ukraine, Monday, Feb. 28, 2022. In makeshift shelters and underground railway platforms across Ukraine, families trying to protect the young and old and make conditions bearable amid the bullets, missiles and shells outside. (AP Photo/Evgeniy Maloletka) (Evgeniy Maloletka/AP)
Russia's invasion of Ukraine A woman bids a man goodbye after boarding a Lviv bound train, in Kyiv, Ukraine, Thursday, March 3, 2022. Ukrainian President Volodymyr Zelenskyy's office says a second round of talks with Russia aimed at stopping the fighting that has sent more than 1 million people fleeing over Ukraine's borders, has begun in neighboring Belarus, but the two sides appeared to have little common ground. (AP Photo/Vadim Ghirda) (VADIM GHIRDA/AP)
Russia's invasion of Ukraine People leaving their relatives press their palms against a window of a Lviv-bound train, on the platform in Kyiv, Ukraine, Thursday, March 3, 2022. Ukrainian President Volodymyr Zelenskyy's office says a second round of talks with Russia aimed at stopping the fighting that has sent more than 1 million people fleeing over Ukraine's borders, has begun in neighboring Belarus, but the two sides appeared to have little common ground. (AP Photo/Vadim Ghirda) (VADIM GHIRDA/AP)
Russia's invasion of Ukraine The children of medical workers warm themselves in a blanket as they wait for their relatives in a hospital in Mariupol, Ukraine, Friday, March 4, 2022. (AP Photo/Evgeniy Maloletka) (Evgeniy Maloletka/AP)
Russia's invasion of Ukraine Ukrainian women sit inside a van as artillery echoes nearby, as people flee Irpin on the outskirts of Kyiv, Ukraine, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow's armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Emilio Morenatti) (Emilio Morenatti/AP)
Russia's invasion of Ukraine Refugees, mostly women with children, rest inside a tent after arriving at the border crossing, in Medyka, Poland on Sunday, March 6, 2022. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine A firefighter holds the baby of a refugee fleeing the conflict from neighbouring Ukraine at the Romanian-Ukrainian border, in Siret, Romania, Monday, March 7, 2022. (AP Photo/Andreea Alexandru) (Andreea Alexandru/AP)
Russia's invasion of Ukraine A woman holding a child cries after fleeing from the Ukraine and arriving at the border crossing in Medyka, Poland, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow’s armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine People holding their children struggle to get on a train to Lviv at the Kyiv station, Ukraine, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow's armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Emilio Morenatti) (Emilio Morenatti/AP)
Russia's invasion of Ukraine Ukrainians crowd under a destroyed bridge as they try to flee crossing the Irpin river in the outskirts of Kyiv, Ukraine, Tuesday, March 8, 2022. (AP Photo/Felipe Dana) (Felipe Dana/AP)
Russia's invasion of Ukraine Ukrainian servicemen help an elderly woman, in the town of Irpin, Ukraine, Sunday, March 6, 2022. With the Kremlin's rhetoric growing fiercer and a reprieve from fighting dissolving, Russian troops continued to shell encircled cities and the number of Ukrainians forced from their country grew to over 1.4 million. (AP Photo/Andriy Dubchak) (Andriy Dubchak/AP)
Russia's invasion of Ukraine Baby strollers and a wheelchair lined up, at the border crossing in Medyka, Poland, Friday, March 4, 2022. More than 1 million people have fled Ukraine following Russia's invasion in the swiftest refugee exodus in this century, the United Nations said Thursday. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine The faces of refugees fleeing the war in Ukraine are illuminated by the light from a smartphone as they join a line approaching the border with Poland in Shehyni, Ukraine, Sunday, March 6, 2022. The number of Ukrainians forced from their country increased to 1.5 million and the Kremlin's rhetoric grew, with Russian President Vladimir Putin warning that Ukrainian statehood is in jeopardy. (AP Photo/Daniel Cole) (Daniel Cole/AP)
Russia's invasion of Ukraine Children look out the window of an unheated Lviv bound train, in Kyiv, Ukraine, Thursday, March 3, 2022. Ukrainian President Volodymyr Zelenskyy's office says a second round of talks with Russia aimed at stopping the fighting that has sent more than 1 million people fleeing over Ukraine's borders, has begun in neighboring Belarus, but the two sides appeared to have little common ground. (AP Photo/Vadim Ghirda) (VADIM GHIRDA/AP)
Russia's invasion of Ukraine Ukrainian soldiers and militiamen carry a woman in a wheelchair as the artillery echoes nearby, while people flee Irpin on the outskirts of Kyiv, Ukraine, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow's armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Emilio Morenatti) (Emilio Morenatti/AP)
Russia's invasion of Ukraine Masha Fesenko, from Kyiv, arrives at the border crossing in Medyka, Poland, Poland, Tuesday, March 8, 2022. Russia's invasion of Ukraine has set off the largest mass migration in Europe in decades, with more than 1.5 million people having crossed from Ukraine into neighboring countries. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine A child wrapped in a thermal blanket to keep warm boards a bus after fleeing from the Ukraine and arriving at the border crossing in Medyka, Poland, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow’s armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine A woman kisses a child after fleeing from the Ukraine and arriving at the border crossing in Medyka, Poland, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow’s armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Visar Kryeziu) (Visar Kryeziu/AP)
Russia's invasion of Ukraine A young girl wears a robe as she walks through the back yard of a home hosted by the local Free Christian Church, for those fleeing Ukraine, in the village of Uszka, Hungary, Thursday, March 3, 2022. More than 1 million people have fled Ukraine following Russia's invasion in the swiftest refugee exodus in this century, the United Nations said Thursday. (AP Photo/Anna Szilagyi) (Anna Szilagyi/AP)
Russia's invasion of Ukraine A Ukrainian police officer runs while holding a child as the artillery echoes nearby, while fleeing Irpin on the outskirts of Kyiv, Ukraine, Monday, March 7, 2022. Russia announced yet another cease-fire and a handful of humanitarian corridors to allow civilians to flee Ukraine. Previous such measures have fallen apart and Moscow's armed forces continued to pummel some Ukrainian cities with rockets Monday. (AP Photo/Emilio Morenatti) (Emilio Morenatti/AP)
Russia's invasion of Ukraine An elderly lady is assisted while crossing the Irpin river, under a bridge that was destroyed by a Russian airstrike, as civilians flee the town of Irpin, Ukraine, Saturday, March 5, 2022. What looked like a breakthrough cease-fire to evacuate residents from two cities in Ukraine quickly fell apart Saturday as Ukrainian officials said shelling had halted the work to remove civilians hours after Russia announced the deal. (AP Photo/Vadim Ghirda) (VADIM GHIRDA/AP)
Russia's invasion of Ukraine A man is helped in a wheelbarrow after crossing on an improvised path under a bridge that was destroyed by a Russian airstrike, as people flee the town of Irpin, Ukraine, Saturday, March 5, 2022. What looked like a breakthrough cease-fire to evacuate residents from two cities in Ukraine quickly fell apart Saturday as Ukrainian officials said shelling had halted the work to remove civilians hours after Russia announced the deal. (AP Photo/Vadim Ghirda) (VADIM GHIRDA/AP)
Russia's invasion of Ukraine A man carries a woman as they cross an improvised path while fleeing the town of Irpin, Ukraine, Sunday, March 6, 2022. In Irpin, near Kyiv, a sea of people on foot and even in wheelbarrows trudged over the remains of a destroyed bridge to cross a river and leave the city. (AP Photo/Oleksandr Ratushniak) (Oleksandr Ratushniak/AP)