This list also includes buildings that are under construction. Only buildings that are completed are ranked in listings.
Legend(using corresponding color in Table)
1. Only completed Buildings are ranked
2. Building is under construction and topped out architecturally
3. Building is under construction, but not topped out architecturally
4. Last updated: June, 2009 Building is under construction, but currently on hold
It should keep in mind that:
1. Height is measured from sidewalk level of the main entrance to the architectural top of the building, including spires, but not including antennae, signage or flag poles.
2. A completed building can be considered such if it fulfills all three of the following criteria: a) topped out structurally and architecturally, b) fully-clad, and c) open for business, or at least partially occupied.
3. A tall building is ‘topped out’ when all its structural members are in place.
4. A tall building is considered to be ‘under construction’ when site clearing has been completed and foundation / piling work has begun.
5. A tall building is considered to be ‘on hold’ when it is widely reported within the public domain that construction has halted
A steel tall building is defined as one where the main vertical and lateral structural elements and floor systems are constructed from steel.
A concrete tall building is defined as one where the main vertical and lateral structural elements and floor systems are constructed from concrete.
A composite tall building utilizes a combination of both steel and concrete in the main structural elements throughout the building.
A concrete/steel tall building indicates a steel structural system located above a concrete structural system, with the opposite true of a steel/concrete building.