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A unitary state is a sovereign state governed as a single entity in which the central government is the supreme authority. The central government may create (or abolish) administrative divisions (sub-national units). Such units exercise only the powers that the central government chooses to delegate. Although political power may be delegated through
devolution Devolution is the statutory delegation of powers from the central government of a sovereign state to govern at a subnational level, such as a regional or local level. It is a form of administrative decentralization. Devolved territories h ...
to regional or local governments by
statute A statute is a formal written enactment of a legislative authority that governs the legal entities of a city, state, or country by way of consent. Typically, statutes command or prohibit something, or declare policy. Statutes are rules made by le ...
, the central government may abrogate the acts of devolved governments or curtail (or expand) their powers. Unitary states stand in contrast with federations, also known as ''federal states''. A large majority of the world's
sovereign states A sovereign state or sovereign country, is a political entity represented by one central government that has supreme legitimate authority over territory. International law defines sovereign states as having a permanent population, defined terri ...
(166 of the 193
UN member states The United Nations member states are the sovereign states that are members of the United Nations (UN) and have equal representation in the United Nations General Assembly, UN General Assembly. The UN is the world's largest international o ...
) have a unitary system of government.


Devolution compared with federalism

A unitary system of government can be considered the opposite of
federalism Federalism is a combined or compound mode of government that combines a general government (the central or "federal" government) with regional governments (Province, provincial, State (sub-national), state, Canton (administrative division), can ...
. In federations, the provincial/regional governments share powers with the central government as equal actors through a written constitution, to which the consent of both is required to make amendments. This means that the sub-national units have a right to existence and powers that cannot be unilaterally changed by the central government. There are, however, similarities between federalism and
devolution Devolution is the statutory delegation of powers from the central government of a sovereign state to govern at a subnational level, such as a regional or local level. It is a form of administrative decentralization. Devolved territories h ...
. Devolution within a unitary state, like federalism, may be symmetrical, with all sub-national units having the same powers and status, or asymmetric, with sub-national units varying in their powers and status. Many unitary states have no areas possessing a degree of autonomy. In such countries, sub-national regions cannot decide their own laws. Examples are Romania, Ireland and Norway.


List of unitary states

''Italics'': States with limited recognition from other
sovereign states A sovereign state or sovereign country, is a political entity represented by one central government that has supreme legitimate authority over territory. International law defines sovereign states as having a permanent population, defined terri ...
or intergovernmental organizations.


Unitary republics

* * * * * * * * * * * * * * * * * ' * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ' (limited recognition) * * * * * * * * * * * * * * * * * * * * * * * * * * * * ' * * * * * * * * * * * * * * * * * * * * * * * * * ' * * * * * * * * * * * * *


Unitary monarchies

The United Kingdom of Great Britain and Northern Ireland is an example of a unitary state. Scotland, Wales and Northern Ireland have a degree of autonomous devolved power, but such power is delegated by the Parliament of the United Kingdom, which may enact laws unilaterally altering or abolishing devolution (except in Scotland, where a referendum would be required to end devolution). Similarly in Spain, the devolved powers are delegated through the central government. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *


Unitary states with a unique form of government

* ( emirate)


See also

* Centralized government * Constitutional economics * Political economy * Regional state * Rule according to higher law * Unicameralism * Unitary authority


References


External links


Unitary state
at the '' Encyclopædia Britannica'' {{DEFAULTSORT:Unitary State Constitutional state types Political geography