What does the Department of Homeland Security (DHS) do?
The Department of Homeland Security (DHS) is a cabinet-level executive branch agency responsible for protecting the United States against potential threats. Its primary functions include anti-terrorism efforts, border security, immigration and customs enforcement, cybersecurity, and disaster prevention and management. It was established in response to the September 11, 2001, terrorist attacks and began operations in 2003.
$115B
1.6%
How much does the Department of Homeland Security spend?
The Department of Homeland Security accounted for 1.6% of all federal spending in FY 2025.
Share of DHS net spending compared to the top ten highest spending agencies in FY 2025
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The Department of Homeland Security’s federal spending in FY 2025 was higher than in FY 2003.
Yearly federal net spending by DHS, adjusted for inflation (2025 dollars), FYs 2003–2025
The Department of Homeland Security's share of federal spending in FY 2025 was higher than in FY 2003.
Percentage of federal budget dedicated to DHS, FYs 2003–2025
How did the Department of Homeland Security spend its budget in 2025?
Federal government net spending isolated to DHS, FY 2025
The Department of Homeland Security's highest-spending division is the Federal Emergency Management Agency.
DHS net spending by division, FY 2025
How many people work for the Department of Homeland Security?
The number of federal employees working for the Department of Homeland Security has increased 13.9% since 2012.
Number of federal employees working for DHS, May 2012–2026
Who leads the Department of Homeland Security?
DHS is headed by the secretary of Homeland Security, who is nominated by the president, confirmed by the Senate, and then sworn into office. They are one of the 15 cabinet members who serve at the president's discretion, overseeing the nation's efforts to ensure public safety, border security, and disaster response. This appointed position typically ends when the appointee resigns, is replaced, or when a new president takes office and appoints their own cabinet, though some may serve temporarily during transitions between administrations.
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.