American Samoa's Relationship with the Federal Government

American Samoa occupies a constitutionally distinct position within the United States framework — an unincorporated, unorganized territory whose precise legal relationship with the federal government has been shaped by treaty, statute, and contested court doctrine over more than a century. The territory's residents hold U.S. national status rather than citizenship by birth, a designation unique among U.S. territories. Federal authority extends to American Samoa selectively, with Congress determining which constitutional provisions apply and which do not.

Definition and Scope

American Samoa is classified as an unincorporated, unorganized territory of the United States. Unincorporated means the full body of the U.S. Constitution does not automatically apply; unorganized means Congress has not enacted a formal organic act establishing a civilian territorial government with explicit constitutional standing, as it has for Puerto Rico (1917), Guam (1950), and the U.S. Virgin Islands (1954).

The territory's foundational legal relationship with the federal government rests on two instruments:

1. The Deed of Cession of Tutuila (1900) — executed between the U.S. government and chiefs of Tutuila and Aunu'u, ceding those islands to the United States (National Archives, Deed of Cession 1900).
2. The Deed of Cession of Manu'a (1904) — extending U.S. sovereignty over the Manu'a Islands.

Federal statutory authority over the territory is codified primarily at 48 U.S.C. Chapter 4, which governs American Samoa's administrative structure. The territory is administered by the U.S. Department of the Interior, Office of Insular Affairs (OIA).

The scope of federal law applicable to American Samoa is narrower than in incorporated territories. Federal agencies — including the IRS, Social Security Administration, and federal courts — operate under jurisdiction that is, in places, modified by territorial exception.

How It Works

The federal-territorial relationship operates through three primary mechanisms:

1. Congressional plenary power — Under the Territorial Clause (U.S. Constitution, Art. IV, §3, cl. 2), Congress holds plenary authority to "make all needful Rules and Regulations" respecting U.S. territories. Legislation affecting American Samoa is enacted at the federal level without requiring territorial consent, though the territory sends a non-voting Delegate to the U.S. House of Representatives.

2. Insular Cases doctrine — A series of U.S. Supreme Court decisions beginning in 1901, collectively known as the Insular Cases, established that only "fundamental" constitutional rights apply in unincorporated territories. This doctrine directly governs which federal protections residents of American Samoa can invoke. In Fitisemanu v. United States (10th Circuit, 2021), the court reaffirmed that persons born in American Samoa are U.S. nationals, not citizens, by birth — a status defined under 8 U.S.C. §1408.

3. Federal grant and funding channels — The federal government transfers funds to American Samoa through Medicaid, Supplemental Nutrition Assistance Program (SNAP), and block grants administered through the OIA. Medicaid funding for American Samoa is capped by a statutory ceiling rather than calculated on an open-ended matching formula, as detailed under 42 U.S.C. §1308. This structural distinction limits the territory's access to federal health financing compared to the 50 states. See American Samoa Federal Funding and Grants for a full breakdown of funding streams.

For a comprehensive reference on how the local government interfaces with these federal mechanisms, the American Samoa Government Authority Reference covers the structure of the territorial executive, legislative, and judicial branches, and how those institutions interact with federal oversight requirements. This resource is particularly relevant for professionals navigating procurement, compliance, or intergovernmental coordination.

Common Scenarios

Three functional scenarios define how the federal relationship plays out in practice:

Immigration and entry controls — American Samoa maintains its own immigration regime distinct from the U.S. federal system. Non-U.S. nationals entering American Samoa require a separate entry permit issued by territorial authorities, not a standard U.S. visa. Conversely, American Samoan nationals traveling to the 50 states enter as U.S. nationals but may face documentation requirements that U.S. citizens do not. See American Samoa Visa and Passport Requirements for applicable entry rules.

Federal employment and military service — American Samoan nationals are eligible for U.S. military service and have enlisted at among the highest per-capita rates of any U.S. jurisdiction. Federal civilian employment eligibility follows U.S. national status, with access to most federal positions.

Judicial jurisdiction — Federal district court jurisdiction in American Samoa is exercised by the District Court of American Samoa, which operates under a framework distinct from standard Article III courts.

Decision Boundaries

The federal-territorial relationship differs from state-federal relationships on 4 critical dimensions:

The American Samoa Territory Authority home reference provides entry-level orientation to these structural distinctions for researchers and professionals approaching the territory's federal relationship for the first time.

For historical context on how this relationship was established, How American Samoa Became a U.S. Territory traces the sequence of cessions, naval administration, and the transition to civilian Interior Department oversight.

The boundary between federal authority and local self-governance is maintained through the 1967 Revised Constitution of American Samoa, ratified locally and approved by the Secretary of the Interior — not by Congress — giving the territory an unusual degree of self-governance without formal organic act status. Full analysis of that document appears at American Samoa Constitution and Local Government.

References

• U.S. Department of the Interior, Office of Insular Affairs — American Samoa
• 48 U.S.C. Chapter 4 — Civil Government for American Samoa (House Office of the Law Revision Counsel)
• 8 U.S.C. §1408 — Nationals but not citizens of the United States at birth
• 42 U.S.C. §1308 — Medicaid Territorial Funding Cap
• U.S. National Archives — Deeds of Cession, American Samoa
• U.S. Constitution, Article IV, §3, Territorial Clause (Cornell LII)
• Congressional Research Service — Territories of the United States: Background and Issues (CRS)