List of current state leaders by date of assumption of office
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This is a list of current state leaders ordered by their continuous tenure in a position of national leadership. For countries in which the
head of state A head of state (or chief of state) is the public persona who officially embodies a state Foakes, pp. 110–11 " he head of statebeing an embodiment of the State itself or representatitve of its international persona." in its unity and ...
and
head of government The head of government is the highest or the second-highest official in the executive branch of a sovereign state, a federated state, or a self-governing colony, autonomous region, or other government who often presides over a cabinet, a ...
are separate, both offices are listed. For leaders who held the same office prior to their
state State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...
's independence, the start of their tenure is used, not independence. For a list of heads of state taking dates of independence into account, see List of heads of state by diplomatic precedence. Acting presidents are included in this list, but if a leader has non-consecutive terms, only the current period of service is listed. States where head of state differs from head of government are mainly
parliamentary system A parliamentary system, or parliamentarian democracy, is a system of democratic governance of a state (or subordinate entity) where the executive derives its democratic legitimacy from its ability to command the support ("confidence") of th ...
s. Often a leader holds both positions in
presidential system A presidential system, or single executive system, is a form of government in which a head of government, typically with the title of president, leads an executive branch that is separate from the legislative branch in systems that use separatio ...
s or
dictatorship A dictatorship is a form of government which is characterized by a leader, or a group of leaders, which holds governmental powers with few to no limitations on them. The leader of a dictatorship is called a dictator. Politics in a dictatorship a ...
s. Some states have
semi-presidential system A semi-presidential republic, is a republic in which a president exists alongside a prime minister and a cabinet, with the latter two being responsible to the legislature of the state. It differs from a parliamentary republic in that it has ...
s where the head of government role is fulfilled by both the listed head of government and the head of state.


List of state leaders by date of assuming office


Prior to 2000


2000s


2010–2015


2015–2017


2018–2019


2020


2021


2022


2023


List of upcoming leaders


See also

*
List of current heads of state and government This is a list of current heads of state and heads of government. In some cases, mainly in presidential systems, there is only one leader being both head of state and head of government. In other cases, mainly in semi-presidential and parliament ...
*
List of current prime ministers by date of assumption of office Date of assumption of office Prime ministers A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential ...
* List of heads of state by diplomatic precedence * List of oldest living state leaders *
Lists of state leaders by age This article contains various lists of state leaders organized by age, defined as heads of state and/or heads of government. Oldest serving state leaders Top ten currently serving People currently serving as head of state and/or head of governme ...
*
List of current presidents of legislatures This is a list of current presiding officers of the legislative assemblies of sovereign and unrecognized states, autonomous regions, dependencies and other territories, sui generis entities, and international organisations. States recognised by ...


Notes

{{Use dmy dates, date=July 2020 State leaders