The US has 575 federally recognized tribal nations, each a sovereign government.

How the Navajo nation works

Tribal reservations control over 89,000 square miles of land in the US, roughly 2.5% of all US land. While individual tribes are recognized as sovereigns, they are not viewed as countries by the US government. Learn how the Navajo nation in...

The reservation system gives tribes limited self-governance while keeping them under federal control.

In the 1950s, the federal government tried to dissolve tribal nations and end their sovereignty

A federal policy called "termination" withdrew official recognition from more than 100 tribes in the 1950s, cutting off federal services and subjecting reservation land to state taxes and sale.

Tribal casinos have generated billions in revenue

After Congress passed the Indian Gaming Regulatory Act in 1988, granting tribes the legal right to operate casinos on reservation land, tribal gaming expanded dramatically. Today, tribal gaming ranks among the largest revenue sources for participating tribes.

Tribal courts handle justice on reservations, but face strict limits on whom they can prosecute

Reservation-based courts handle civil and criminal cases, but federal law sharply limits their authority over non-tribal members. As a result, non-Native individuals who commit crimes on reservations often fall outside tribal jurisdiction, creating potential gaps in accountability.

The Iroquois Confederacy's political structure may have shaped the US Constitution

Centuries before the US existed, six Indigenous nations—the Mohawk, Oneida, Onondaga, Cayuga, Seneca, and Tuscarora—united under a shared constitution known as the Great Law of Peace. Some historians argue that the framework of federalism and representative councils influenced the American founders.

A 1975 law let tribes run their own programs instead of relying on federal bureaucracies

The Indian Self-Determination and Education Assistance Act allowed tribes to contract directly with the federal government to administer their own health, education, and social services—reversing policies from the "termination era."

Some tribes push for national parks to be under Indigenous control

Ojibwe author and academic David Treuer talks about his push for 80 million acres of American national park land to be returned to Indigenous stewards. Treuer proposes the government grant control of this land to a consortium of tribes, which would maintain and manage it for use by all Americans.

A 2020 Supreme Court ruling affirmed that nearly half of Oklahoma remains tribal land

In McGirt v. Oklahoma, the Supreme Court ruled 5-4 that the Muscogee Nation's reservation was never legally dissolved, thereby stripping Oklahoma of authority to prosecute tribal members for crimes committed on that land. Season One of the "This Land" podcast further explores how reservation court systems operate.

Federal systems are a minority among the United Nations' 193 members

Of the United Nations' 193 member countries, roughly two dozen use a federal system, dividing power constitutionally between national and subnational governments. This group includes the United States, India, Canada, Germany, and more. The video walks through examples of how these states operate.

Native Americans built democratic systems of governance

Indigenous nations, such as the Muscogee, a confederacy of towns in the present-day Southeast, practiced participatory governance centered on communal decision-making and the consent of the governed.

The United States is the world's oldest continuously operating federal system under a written constitution

The US pioneered federalism in the late 18th century, and many countries later adopted federal systems to manage conflict and share power. This resource features interactive maps that trace the spread of federal systems worldwide from 1900 to the present.

The EPA works directly with Indigenous nations to protect native lands

Through the National EPA-Tribal Science Council, the agency works directly with federally recognized tribes, supporting air and water monitoring, pollution cleanup, and environmental restoration. Special grant programs also exist to enable tribes to develop their own environmental programs and enhance their technical capacity.

American local government comes in five distinct forms

Counties, municipalities, townships, special districts, and school districts are each created for a different purpose, operating under different rules, and answerable to the state in different ways. Special districts, the least known of the group, are created for specific purposes, such as transit or fire protection.

Native American tribes still are waiting for museums to return the remains of their ancestors

The remains of more than 100,000 Native Americans are held by prestigious US institutions, despite a 1990 law meant to return them to tribal nations. Here’s how their ancestors were stolen—and how tribes are working to get them back.

One Native leader tried to save his people's land by building a nation

As the US pushed westward in the 19th century, one leader of the Ojibwe people fought back not with arms but with politics, seeking to preserve his people's territory and way of life by building a formal Native nation capable of negotiating on equal footing with the US government.

Tribal lenders have charged up to 600% APR on short-term loans

Some Native American tribes use their exemption from state legislation to bypass regulations on usury laws. Similar to payday lending, some tribal lenders have charged up to 600% APR on short-term loans.

Native religious practices were suppressed for centuries before receiving federal protection in 1978

During the first two centuries of American history, the government frequently banned Native ceremonial dances, took sacred sites, and enrolled children in boarding schools where they were prevented from practicing their faith. The American Indian Religious Freedom Act of 1978 committed the federal government to safeguarding Native spiritual practices.

Illinois has more local governments than any other state

As of 2022, there were a reported total of 90,837 local government units across the US. Illinois had the highest number with 6,930, followed by Texas with 5,533. Explore all the data from the 2022 Census of Governments, which takes place every five years.

Native Americans were not granted US citizenship until 1924

The Indian Citizenship Act granted citizenship to all Native Americans born in the US, more than 130 years after the Constitution's ratification. Even then, some states continued to deny Native Americans the right to vote for decades.

More than 300 distinct Native American languages existed at the time of European contact

Indigenous North America exhibited vast linguistic diversity, with over 300 languages spanning dozens of unrelated language families. This variety reflected centuries of distinct cultural development across the continent's many nations and regions.

States are constitutionally mandated to draw their own congressional districts

Under Article I, Section 4 of the US Constitution, state legislatures possess the authority to determine how congressional districts are drawn. However, Congress retains the power to alter these rules if it chooses to.

Local governments are responsible for more than 148,000 public water systems across the US

From large municipal utilities to small rural systems, local governments are tasked with providing clean water to almost every American community. The US operates over 148,000 public water systems.

The entire National Park System is located on public lands, but not all public lands are national parks.

Yellowstone was the world's first national park

Before it was designated as such, it was home to 27 Indigenous tribes, including the Blackfeet, Crow, and Nez Perce. European trappers and traders traveling west were entranced by the area’s stunning beauty and natural resources, fueling a push for the government to preserve the land for future generations.

Hawaii is the only US state with no incorporated municipalities

Unlike every other state, Hawaii has no cities or towns. Its four county governments manage all local services—the functions that municipalities provide elsewhere in the US—across the entire state.

Nearly 70% of the US government’s debt is domestic

This includes intragovernmental holdings like the Social Security Trust Fund and investments from US citizens, banks, and mutual funds. About 30% is foreign-held, with countries like Japan and China as major creditors, investing in US Treasury securities due to their perceived safety.

The powers of local government are rooted in state law, not the Constitution

Unlike the federal government or the states, local governments have no constitutional standing—they exist only because state law allows them to. A state legislature can redraw a city's boundaries, strip its powers, or dissolve it entirely.

The US framework of government has influenced the constitutions of many other countries

In 1787, the US Constitution introduced a system built on the separation of powers and individual liberties, including freedom of speech and religion. Though widely influential, its rigidity has made it less of a modern model as countries adopt more adaptable constitutional frameworks.

Individual income taxes are the federal government's primary revenue source, see a tracker that breaks down where the rest of the budget comes from

The US government historically makes nearly half of its total revenue last year from individual income taxes. But the US makes also makes money from a variety of other sources, including Medicare taxes and corporate income taxes. However, the federal government has run a deficit since 2001—reaching a peak of $3.13T in 2020.

The Dawes Act of 1887 broke up communally held tribal lands

Sometimes called the General Allotment Act, the Dawes Act divided reservation land into individual plots assigned to Native Americans, while "surplus" land was sold to white settlers. The policy led to Native tribes losing roughly 90 million acres, about two-thirds of their remaining land.

Explore the world's oldest constitutions

The 1789 US Constitution remains the oldest active written national constitution. Older systems exist—such as San Marino’s statutes or the Magna Carta—but they are not single, codified constitutions. See how other countries compare in this visualization.

Cases during John Marshall's tenure defined the principles of federal Indian law

During Marshall's tenure, three landmark rulings—Johnson v. M'Intosh, Cherokee Nation v. Georgia, and Worcester v. Georgia—established foundational doctrines of federal Indian law, defining tribal sovereignty, limiting state authority, and placing primary responsibility for Native affairs in the federal government.

The US has carried debt since 1791

After the Revolutionary War, the US owed $75M to nations like France. Debt builds when spending exceeds revenue, funding programs, wars, and economic recovery efforts. Most debt is domestic, like Social Security bonds, with foreign nations also holding a share.

Every single American state constitution references God or the divine, though the federal Constitution does not.

Federalism creates tension between national and state power by design

Federalism assigns authority so that neither the national government nor the states entirely dominate the other or the people they govern. By creating overlapping claims of power, the system makes negotiation, conflict, and compromise a permanent feature rather than a failure.

The US government ran boarding schools designed to erase Native American identity

From the late 19th century into the 20th century, the federal government sent Native children to boarding schools under the philosophy of "kill the Indian, save the man." Children were forbidden from speaking their languages or practicing their cultures, and many endured abuse.

The Articles of Confederation were not a federal system

Ratified in 1781, the Articles of Confederation left the states sovereign and independent, denied the national government power to tax or regulate commerce, and forced Congress to act through the states—exposing the limits of confederation and paving the way for US federalism.

Explore the specific authorities granted to Congress: the 'enumerated powers'

The Constitution grants Congress a list of powers—including taxing, regulating interstate commerce, and declaring war—while powers not explicitly listed are reserved to the states or the people, defining the federal government's scope of authority.

One in seven US tax dollars is collected by local governments

Local governments collect about $886B each year to support education, infrastructure, and public health. Roughly three-quarters of this funding comes from property taxes, with the rest sourced from sales, excise, and income taxes.

New York City's five boroughs each function as a separate county under state law

Each of New York City's five boroughs—Manhattan, Brooklyn, Queens, the Bronx, and Staten Island—corresponds to a separate county under New York State law, forming a layered government structure that is unique among major American cities.

In the US, any court can rule on constitutionality—unlike in most other countries

In the American system, known as diffuse judicial review, federal and state courts at every level may assess whether laws comply with the Constitution, and their decisions are ultimately reviewable by the Supreme Court. Many other democracies, by contrast, reserve constitutional review to specialized constitutional courts.

The most taxed states in America

Some states in the US have higher taxes than others. Hawaii, for instance, has the highest total tax burden in the country at 13.9%, whereas Alaska has the lowest overall tax burden at 4.9%. New York has the highest individual income tax burden; and eight states have no individual income tax. See a map of the most-taxed US states here.

The US Board on Geographic Names is responsible for ensuring uniform usage of geographic names within the government.

The supremacy clause establishes federal law as the highest authority

The supremacy clause states that the United States Constitution and federal laws enacted under it supersede conflicting state laws, ensuring national authority prevails when federal and state governments disagree.

Lewis and Clark encountered more than 70 Native tribes during their journey

The Corps of Discovery’s diplomacy ranged from peaceful trade and vital aid from tribes like the Shoshone and Nez Perce to tense standoffs, most notably with the Teton Sioux, who nearly brought the expedition to a halt.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

This interactive tool from the National Constitution Center allows you to compare constitutional rights globally, highlighting which countries have adopted protections similar to those in the US Constitution—and how shared principles manifest in different legal forms around the world.

The Tenth Amendment reserves all powers not granted to the federal government to the states or the people

Any powers not delegated to the federal government by the Constitution are reserved to the states or to the people. It has been cited in legal battles over healthcare, marijuana, and environmental regulation.

Colonial self-rule fostered strong autonomy and distrust of centralized power

American colonies were governed through a patchwork of different systems, ranging from Crown-run to locally controlled. Broad local autonomy—often followed by sudden imperial crackdowns—taught colonial leaders to prize home rule and distrust distant centralized power, attitudes that later informed US federalism.

The US federal government employs roughly 3 million people

Tracking began in 1939, when the federal workforce consisted of about 1 million people. The total peaked in 1990 at 3.4 million, and hit a recent low in 2014 at 2.7 million.