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Department of the Interior (DOI): federal spending, contracts and grants

In fiscal year 2026, Department of the Interior reported $37.8 billion in obligations and $36.8 billion in outlays, about 0.6% of all budgetary resources tracked on USAspending. Below: where its award money went, who received the most, and how its spending has changed since FY 2017.

FY 2026 figures are still being reported by agencies and will change as late submissions arrive.

$96.8B
Budgetary resources, FY 2026
$37.8B
Obligated, FY 2026
$36.8B
Outlayed, FY 2026
$18.1B
Of which: award obligations

Mission

The Department of the Interior protects and manages the Nation's natural resources and cultural heritage; provides scientific and other information about those resources; and honors its trust responsibilities or special commitments to American Indians, Alaska Natives, and affiliated island communities.

Official agency website

How DOI awarded money in FY 2026

Award obligations are the part of an agency's spending that goes out as contracts, grants, loans, direct payments and other awards to outside recipients. The rest pays for salaries, internal operations and transfers that are not awards.

Award typeAmountRelative size
Contracts$6.8 billion
Grants$6.6 billion
Direct payments$4.4 billion
Other assistance$295.1 million
Contract vehicles (IDVs)$7.0 million

Obligations by fiscal year

FY 2026 obligations of $37.8 billion were down 12% from FY 2025 ($42.8 billion) and compare with $25.5 billion in FY 2017.

Department of the Interior total obligations by fiscal year
Show the numbers
Fiscal yearAmount
FY 2026$37.8 billion
FY 2025$42.8 billion
FY 2024$44.4 billion
FY 2023$43.4 billion
FY 2022$37.6 billion
FY 2021$30.7 billion
FY 2020$29.6 billion
FY 2019$26.7 billion
FY 2018$26.3 billion
FY 2017$25.5 billion

Top recipients, FY 2026

Ranked by award obligations from DOI. "Multiple recipients" groups aggregated or redacted records, such as payments to individuals.

#RecipientAmountRelative size
1Pennsylvania Department of Environmental Protection$404.8 million
2Navajo Nation Tribal Government$278.1 million
3General Dynamics Information Technology, INC.$239.5 million
4Cheyenne River Sioux Tribe$234.5 million
5West Virginia Department of Environmental Protection$220.0 million
6Trust Fund for the People of the Republic of the Marshall Islands$200.0 million
7Energy & Environment Cabinet$193.7 million
8Tohajiilee Community School Board of Education INC$160.1 million
9Department of Natural Resources Illinois$151.0 million
10Cherokee Nation$148.5 million

Top states, FY 2026

By place of performance — where the work is done or the money is used.

#StateAmountRelative size
1California$1.4 billion
2Virginia$1.2 billion
3Arizona$1.2 billion
4New Mexico$1.1 billion
5Washington$762.5 million
6South Dakota$691.2 million
7Alaska$689.5 million
8Colorado$681.7 million
9Oklahoma$598.9 million
10Maryland$561.4 million

Search this agency's awards

Search DOI awards for FY 2026

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Source: USAspending.gov API v2 (U.S. Department of the Treasury, Bureau of the Fiscal Service). USAspending agency profile · API: budgetary resources
Source data last updated November 4, 2026 · Imported November 6, 2026 · Dollar figures are nominal and rounded. How these numbers are calculated · Report a problem