Countries with national elections or referendums:
? - Executive
This national electoral calendar for 2021 lists the national/federal elections that were and are scheduled to be held in 2021 in all sovereign states and their dependent territories. By-elections are excluded, though national referendums are included. Specific dates are given where these are known.
The following indirect elections of heads of state and the upper houses of bicameral legislatures are scheduled to take place through votes in elected lower houses, unicameral legislatures, or electoral colleges: