A Republican congresswoman from east central Illinois took aim at President Joe Biden’s immigration policies by claiming hundreds of thousands of migrants are preparing to cross the nation’s southern border.

"The Biden-Harris caravan is the population of Minneapolis and will enter our country with no vetting, no criminal background checks, no COVID testing, and no vaccine requirements," freshman U.S. Rep. Mary Miller of downstate Oakland tweeted on Oct. 23 atop a video showing a large group of migrants marching from the southern Mexico city of Tapachula.

PolitiFact has debunked numerous claims from others that were part of Miller’s statement, including that the Biden administration would allow anyone to cross the border or skip COVID testing and other public safety measures. So we decided to focus this fact-check on Miller’s claim about the size of the recent Tapachula group.

Minneapolis, Minn., is home to nearly 430,000 people, according to the U.S. Census, while the highest estimate we found for the group leaving Tapachula was less than 1% of that total. The congresswoman, who took office in January, did not respond to multiple requests for comment.

The migrants featured in the video Miller shared set out on Oct. 23 from Tapachula, a city near the Mexico-Guatemala border where tens of thousands of Central Americans and Haitians have been waiting for Mexican authorities to process their asylum claims and permit them to move freely around the country.

Reports from news outlets covering the trek have included estimates ranging from 2,000 to 4,000 migrants, including as many as 1,000 children. None of the experts we contacted had seen any estimates on par with Miller’s comparison.

"This is an exaggeration designed to scare people into believing that we are experiencing an ‘invasion’ at the southern border in an attempt to advance anti-immigrant and anti-asylum policies," said Nicole Hallett, director of the Immigrants’ Rights Clinic at the University of Chicago Law School.

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"Tejas, Florida y otros estados acaban de anunciar que le darán papeles a todos los inmigrantes indocumentados".

Arrests of undocumented migrants along the Mexico border reached a record high of nearly 1.7 million from October 2020 through September 2021, according to U.S. Customs and Border Protection data first reported by The Washington Post. Neither Miller’s tweet nor the video she shared make any reference to total border apprehensions, however.

"It would be fair to say that the number of people encountered at the border was equal to several times Minneapolis’ population," said Steven Camarota, director of research at the Center for Immigration Studies, a group that advocates for low immigration levels. "But no one caravan could be that size."

As attempts by migrants to cross the border rise, Biden has faced increased criticism from Republicans for overturning some of former President Donald Trump’s immigration policies, as well as from migrant advocates for his administration’s continuation of an emergency health provision invoked under Trump to quickly expel migrants during the pandemic.

Similar, though larger, caravans also marched through Mexico in 2018 and 2019, according to The Associated Press.

Miller claimed the migrant caravan that set off from the southern Mexico city of Tapachula is "the population of Minneapolis."

Minneapolis has nearly 430,000 residents, while the highest estimate we could find for the group leaving Tapachula was just under 1% of that total.

We rate Miller’s claim Pants on Fire!

PANTS ON FIRE — The statement is not accurate and makes a ridiculous claim.

Click here for more on the six PolitiFact ratings and how we select facts to check.