The Fiscal Burden of Illegal Immigration on United States Taxpayers


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The Fiscal Burden of Illegal Immigration on United States Taxpayers

Report by Matt O'Brien and Spencer Raley


A continually growing population of illegal aliens, along with the federal government’s ineffective efforts to secure our borders, present significant national security and public safety threats to the United States. They also have a severely negative impact on the nation’s taxpayers at the local, state, and national levels. Illegal immigration costs Americans billions of dollars each year. Illegal aliens are net consumers of taxpayer-funded services and the limited taxes paid by some segments of the illegal alien population are, in no way, significant enough to offset the growing financial burdens imposed on U.S. taxpayers by massive numbers of uninvited guests. This study examines the fiscal impact of illegal aliens as reflected in both federal and state budgets.

The Number of Illegal Immigrants in the US

Estimating the fiscal burden of illegal immigration on the U.S. taxpayer depends on the size and characteristics of the illegal alien population. FAIR defines “illegal alien” as anyone who entered the United States without authorization and anyone who unlawfully remains once his/her authorization has expired. Unfortunately, the U.S. government has no central database containing information on the citizenship status of everyone lawfully present in the United States. The overall problem of estimating the illegal alien population is further complicated by the fact that the majority of available sources on immigration status rely on self-reported data. Given that illegal aliens have a motive to lie about their immigration status, in order to avoid discovery, the accuracy of these statistics is dubious, at best. All of the foregoing issues make it very difficult to assess the current illegal alien population of the United States.

However, FAIR now estimates that there are approximately 12.5 million illegal alien residents. This number uses FAIR’s previous estimates but adjusts for suspected changes in levels of unlawful migration, based on information available from the Department of Homeland Security, data available from other federal and state government agencies, and other research studies completed by reliable think tanks, universities, and other research organizations.

The Cost of Illegal Immigration to the United States

At the federal, state, and local levels, taxpayers shell out approximately $134.9 billion to cover the costs incurred by the presence of more than 12.5 million illegal aliens, and about 4.2 million citizen children of illegal aliens. That amounts to a tax burden of approximately $8,075 per illegal alien family member and a total of $115,894,597,664. The total cost of illegal immigration to U.S. taxpayers is both staggering and crippling. In 2013, FAIR estimated the total cost to be approximately $113 billion. So, in under four years, the cost has risen nearly $3 billion. This is a disturbing and unsustainable trend. The sections below will break down and further explain these numbers at the federal, state, and local levels.

Total Governmental Expenditures on Illegal Aliens

Total national costs of undocumented immigrants

Total Tax Contributions by Illegal Aliens

Total taxes paid by illegal immigrants

Total Economic Impact of Illegal Immigration

economic impact of illegal immigration


HAN, Liu, CPA | 韩柳
President, Principal Loan Consultant, Leader Funding, Inc.
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