List of tallest buildings
The international non-profit organization Council on Tall Buildings and Urban Habitat (CTBUH) was formed in 1969 and announces the title of "The World's Tallest Building" and sets the standards by which buildings are measured. It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at . The CTBUH only recognizes buildings that are complete however, and some buildings included within the lists in this article are not considered finished by the CTBUH.
List of tallest buildings in New York City
The history of skyscrapers in New York City began with the completion of the World Building in 1890; the structure rose to . Though not the city's first high-rise, it was the first building to surpass the spire of Trinity Church. The World Building, which stood as the tallest in the city until 1899, was demolished in 1955 to allow for the construction of an expanded entrance to the Brooklyn Bridge.