Population doubling largely reflects legal immigration 

The data indicate that the U.S. did not fundamentally change immigration policy after September 11th, nor does the desire of many people in the Muslim world to settle here seem to have changed much. As a result, the number of immigrants from these countries has soared.

With remarks by ex-Senator and Attorney General Jeff Sessions

Twenty-five years after 9/11, is the United States better prepared to prevent another terrorist attack?

The Center for Immigration Studies convened a panel to examine that question, discussing the role immigration and border security played in the attacks, the major policy changes that followed, and the national-security challenges that remain.

Since January 2025 when President Trump took office the government’s monthly household survey, officially called the Current Population Survey (CPS), shows an unprecedented 2.9 million decline in the foreign-born population — naturalized citizens, lawful permanent residents, long-term temporary visitors, and illegal immigrants.

Testimony before the Task Force on Defending Constitutional Rights and Exposing Institutional Abuses, Committee on Oversight and Government Reform

Concern over birth tourism is really a component of the larger set of issues raised by the practice of granting automatic citizenship to anyone born on U.S. soil, regardless of the parent's circumstances, time in the country, or relationship with the United States.

Can state prosecution become state persecution?

This report discusses what happens when state and local governments criminally prosecute federal law enforcement officials in order to obstruct the enforcement of disfavored federal laws. What protections are available to federal officers targeted for prosecution simply for carrying out their duties under federal law?