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Supreme Court expands Trump's immigration powers, experts warn of accelerated US population decline

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U.S. Supreme Court Upholds Broad Presidential Authority on Immigration

In a landmark decision, the U.S. Supreme Court ruled that President Trump has broad authority to deport hundreds of thousands of migrants living legally under Temporary Protected Status (TPS), and can also block most asylum seekers from entering the country.

The rulings mark a significant shift in U.S. immigration policy, granting the executive branch sweeping powers to manage immigration flows.

Population Trends at a Crossroads

The legal developments come against a backdrop of declining birthrates that have been falling for decades. While immigration had previously offset this demographic trend, both are now at historic lows.

  • In 2024, approximately 2.7 million foreign migrants entered the United States.
  • In 2025, that number may drop to just 300,000.
  • Census data shows population growth fell by half in 2025, with five states now losing population.

Expert Perspectives on the Rulings

"Without immigration, the US will face an aging and declining population, leading to economic and fiscal problems."
David Bier, Cato Institute

"The rulings are alarming. States like Iowa, Kansas, and Nebraska require immigrants for population growth."
William Frey, Brookings Institution

White House advisor Stephen Miller called the rulings "a victory" and stated that ending birthright citizenship is the next step.

Christopher Hajec of the Federation for Immigration Reform noted that immigration laws are "written to be pro-enforcement."

Projected Economic and Social Impacts

Economists predict several consequences from the reduced immigration numbers:

  • Fewer young workers paying into Social Security
  • School closures due to declining student populations
  • A broader decline in young families

The Census Bureau estimates total population loss could exceed 107 million by the end of the century without robust migration, signaling profound long-term demographic challenges for the United States.