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              Congressional
          a   Research Service






Funding U.S.-Mexico Border Barrier

Construction: Current Issues



Updated April 7, 2021
The construction of barriers on the U.S.-Mexico border to control unauthorized crossings has been a
matter of significant debate since former President Donald Trump made construction of a border wall a
key element of his campaign. This Insight provides a brief overview of the funding history for these
barriers. On January 20, President Joe Biden issued a proclamation directing agencies to pause additional
construction and obligation of funds pending collection of information and development of a plan to
redirect some of the resources that had been dedicated to barrier construction, consistent with applicable
appropriations law.


Border Barriers Under Previous Administrations


Presidents George W. Bush and Barack Obama

In the decade prior to President Trump's election, Congress had appropriated almost $2.5 billion to U.S.
Customs and Border Protection (CBP), a component of the Department of Homeland Security (DHS), to
construct more than 650 miles of primary barriers along the southwest border. This includes
approximately 350 miles of primary barriers designed to restrict the flow of pedestrians and
approximately 300 miles of primary barriers to restrict the flow of vehicles in areas where unauthorized
border crossing on foot was less of a concern. Funding for construction of border barriers in this period
largely ended in FY2011.

President   Donald J. Trump

Shortly after his inauguration in January 2017, President Trump signed an Executive Order that called for
the construction of a border wall. In March, the President submitted a supplemental appropriations request
for FY2017, which included almost $1 billion to begin planning and construction. (At the time, annual
appropriations requested for FY2017 by the Obama Administration had yet to be resolved.)
In response to this and subsequent requests from the Trump Administration totaling more than $13.27
billion through FY2020, Congress provided almost $4.47 billion for border barrier construction through

                                                              Congressional Research Service
                                                                https://crsreports.congress.gov
                                                                                   IN11193

CRS INSIGHT
Prepared for Members and
Committees of Congress