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The 10 tallest skyscrapers in the world
From the Burj Khalifa to the China Zun, the following are the tallest buildings on the planet according to the Council on Vertical Urbanism, the Chicago-based non-profit organisation that has been setting the criteria for measuring their height since 1996
È il 1996 l’anno in cui il Council on Tall Buildings and Urban Habitat (CTBUH) compila la prima classifica dei grattacieli più alti del mondo. Lo fa per risolvere una questione: sono più alte le Petronas Towers di Kuala Lumpur o la Sears Tower di Chicago? Le torri malesi hanno il tetto più basso, ma presentano delle guglie, mentre la Sears ha “solo” delle antenne. È in questo contesto che l’ente no-profit stabilisce un criterio fondamentale, ancora oggi in vigore: nel calcolo dell’altezza di un grattacielo le guglie contano, mentre antenne, insegne e apparati tecnici no.The Council on Tall Buildings and Urban Habitat (CTBUH) compiled its first ranking of the world’s tallest skyscrapers back in 1996. It did so in order to resolve the issue of whether the Petronas Towers in Kuala Lumpur was taller than the Sears Tower in Chicago or vice versa. The Malaysian towers have a lower roof, but feature spires, whilst the Sears Tower ‘only’ has aerials. This formed the background to the non-profit organisation’s establishment of a fundamental criterion, still in force today – when calculating the height of a skyscraper, spires count, whereas aerials, signs and technical equipment do not.Other rules introduced by the CTBUH stipulate that height is measured from the main pedestrian entrance to the architectural top; that in order to be classified as a building rather than a tower, at least 50 per cent of the height must be occupiable. This criterion, for example, excludes the Tokyo Skytree, which at 634 metres would be third in this ranking, ahead of the Shanghai Tower – it is a telecommunications tower, not a skyscraper. Furthermore, to feature in the ranking, a skyscraper must be complete: the structure must be finished, the cladding complete, and the doors open to the public. The following is therefore a ranking of existing and accessible buildings; construction sites, however advanced, are excluded.The well-known knock-on effect of these criteria is ‘vanity height’ i.e. the portion of a building having no functional purpose, serving only to boost its ranking. The Burj Khalifa boasts 244 metres of this, almost a third of its total height.In October 2025, the CTBUH changed its name to the Council on Vertical Urbanism. The database remains the same – The Skyscraper Centre – and it is still the only source recognised by the industry.Meanwhile, the rankings have come to a standstill. The Burj Khalifa has been number one since January 2010 – sixteen years, the longest supremacy since the days of the Empire State Building. The two buildings expected to overtake it are subject to intermittent construction – the Jeddah Tower, at 1,008 metres, which was halted in 2017 and resumed in 2023; and the Dubai Creek Tower, which has experienced several interruptions. The kilometre remains the dream that architecture has been pursuing for a century, and which remains as yet unfulfilled.The following are the ten tallest buildings in the world according to the non-profit organisation.
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World’s tallest buildings: Burj Khalifa leads with 828 meters
Dubai’s Burj Khalifa remains the world’s tallest building at 828 meters (2,717 feet), a distinction it has held since its completion in 2010. The tower surpasses the second-tallest structure by more than 150 meters, maintaining a commanding lead in the global skyline competition.
The Burj Khalifa was designed by Skidmore, Owings & Merrill, an architecture and engineering firm renowned for supertall building expertise. The structure’s distinctive Y-shaped floor plan was engineered to reduce wind forces on the tower, allowing it to achieve its extraordinary height while remaining structurally efficient. The building’s design combines cutting-edge technologies with cultural influences, making it not only a record-holder but an architectural landmark.
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