The United States has many leaders. Some leaders work for the whole country. Other leaders work for one state. People vote to pick their leaders. This helps everyone have a say. Do you want to vote one day?
The United States has three main parts of government.
Each state also has its own leaders. A governor leads a state. States can make many local rules.
Two big groups lead the way. They are the Democratic and Republican parties.
People vote to pick their leaders. Most people can vote at age 18. Voting lets people help choose their leaders. 
The United States has a special way to run its government.
There are three main branches of the federal government. The first is the legislative branch. This is Congress. It has two parts called the House of Representatives and the Senate. The second is the executive branch. The president leads this branch. The third is the judicial branch. This includes the Supreme Court. These courts explain the laws.
Each of the 50 states has its own government too. States can make laws for things like schools. They also have three branches. A governor leads the state. Most states have a Senate and a House of Representatives. Nebraska is the only state with just one legislative group.
Two main groups lead the politics in the U.S. These are the Democratic Party and the Republican Party. They have been the main groups since the Civil War. Most people can vote when they are 18 years old. People vote to pick most leaders. The president is picked in a special way called the Electoral College. 
The United States uses a system called a constitutional federal republic.
Each state also has its own government with three branches. A governor leads the executive branch of a state. Most states have a legislature with two houses, like the federal government. Nebraska is the only state that has only one house. States can make laws for many things like schools and family law. These are powers that the Constitution does not give to the federal government. Each state even has its own constitution to guide its leaders. 
Local governments work even closer to where people live. There are many types of local groups like counties and municipalities. In 2010, there were 89,500 total local governments in the country. These include 3,033 counties and 19,492 municipalities. There are also 13,000 school districts and 37,000 special districts. 
Most leaders in America are chosen through elections. Most citizens can vote if they are 18 years old or older. People vote for most officials in single-member districts. A person wins by getting a plurality of the votes. This means they get more votes than any other person. The president is a special case. The people elect the president indirectly through the Electoral College. 
Two major groups lead American politics. These are the Democratic Party and the Republican Party. They have been the main parties since the American Civil War. The Democratic Party often supports left-leaning policies. The Republican Party often supports right-leaning policies. Neither party has one central group that controls every member. This means people within the parties can have different ideas. 
The United States operates as a constitutional federal republic with a presidential system.

State governments function similarly to the federal government but have different specific powers. Each of the 50 states has its own constitution. Most state constitutions follow the federal pattern but include more specific details. Like the federal system, states use three branches of government. They have an executive branch led by a governor, a legislative body, and a judicial branch. 


Two major political parties have dominated the American landscape since the American Civil War. These are the Democratic Party and the Republican Party. Since the mid-20th century, the Democratic Party has generally supported left-leaning policies. The Republican Party has generally supported right-leaning policies. Neither party has a formal central organization that controls all its members. Because of this, both parties contain different factions and individuals with varying views. This two-party system is reinforced by the plurality-based voting system used in most elections.
This specific voting style often encourages strategic voting among citizens. It can also discourage smaller third parties from gaining influence. This is why the United States is one of the few developed countries where third parties have minimal representation. 
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