A head of state (or chief of state) is the public persona of a state or sovereign state. The specific naming of the head of state depends on the country's...

The following is a list of women who have been elected or appointed head of state or government of their respective countries since the interwar period...

list of current heads of state and heads of government. In some cases, mainly in presidential systems, one leader is head of state and head of government...

executive branch, the head of government is the highest or the second-highest official of a sovereign state, a federated state, or a self-governing colony...

The president of the Republic of Liberia is the head of state and government of Liberia. The president serves as the leader of the executive branch and...

is a list of state leaders in the 20th century (1901–1950) AD, such as the heads of state, heads of government, and the general secretaries of single-party...

a list of the heads of state of Nigeria, from independence in 1960 to the present day. The current constitution of Nigeria has the president of Nigeria...

The President of the Republic of Botswana is the head of state and the head of government of Botswana, as well as the commander-in-chief of the armed forces...

Head of State (1835–1837) Juan Mora Fernández, Head of State (1837) Manuel Aguilar Chacón, Head of State (1837–1838) Braulio Carrillo Colina, Head of...

Heads of state throughout the world and at all periods of history may be ranked according to characteristics such as length of time holding that position;...