In the United States and many commonwelth nations, concurrent powers are powers held by both the states and the federal government and may be exercised simultaneously within the same territory and in relation to the same body of citizens. This is contrasted with delegated powers and reserved powers. Some of the concurrent powers enjoyed by both the federal and state governments are: the power to tax, make roads, protect the environment, create lower courts and borrow money. A federal government is the common government of a federation. ... Delegated powers, also called enumerated powers, are those granted to Congress by the United States Constitution. ... A reserve power is a power that may be exercised by the head of state of a country in certain exceptional circumstances. ...

A common misconception is that concurrent powers are shared powers between the central and state government. This is a misnomer- concurrent powers are a collection of powers that the states and federal government have in common, not shared. A federal government is the common government of a federation. ...

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