In the United States, there are two parallel court systems, the federal and the state. There are different kinds of courts within those systems, such as each independent state court for each of the fifty states, which is composed of different kinds of courts like probate court or criminal court. In the federal system, courts like the bankruptcy court or the tax court are within the federal system. In strict terms of the judicial systems in the United States, though, it is two, state and federal.