The tallest structure in the world is the Burj Khalifa skyscraper at 829.8 m (2,722 ft). Listed are the tallest structures in the world: guyed masts (such as telecommunication masts), self supporting towers (such as the CN Tower), skyscrapers (such as the Willis Tower), oil platforms, electricity transmission towers, and bridge support towers. This list is organized by absolute height. See List of tallest buildings and structures in the world, List of tallest freestanding structures in the world and List of tallest buildings in the world and List of tallest towers in the world for additional information about these types of structures.
Terminological and listing criteria follow Council on Tall Buildings and Urban Habitat definitions. Guyed masts are differentiated from towers - the latter not featuring any guy wires or other support structures; and buildings are differentiated from towers - the former having at least 50% of occupiable floor space although both are self supporting structures.
indicates a structure that is no longer standing.
indicates a guyed mast.
This is an incomplete list of structures under construction that are projected to be taller than 500 metres (1,640 ft) and have current height under 500 metres (1,640 ft). It does not include on-hold or topped-out structures.
Structures that are on hold for financial reasons or conflict.
The following table is a list of the current tallest structures by each continent (listed by geographic size):