List of state leaders in the 21st century


;State leaders: 1951–2000 – Current state leaders – State leaders by year
This is a list of state leaders in the 21st century AD, such as the heads of state, heads of government, or the general secretaries of single-party states.
These polities are generally sovereign states, including states with limited recognition, but excludes minor dependent territories, whose leaders can be found listed under territorial governors in the 21st century. For completeness, these lists can include colonies, protectorates, or other dependent territories that have since gained sovereignty.

Africa

Africa: Central

Americas: Caribbean

Asia: Central

Europe: Balkans

Baltic states
Non-Baltic states