Question

which is the tallest building in the world ???​

Answer 1

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Burj Khalifa is the tallest building in the world.

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At over 828 metres (2,716.5 feet) and more than 160 stories, Burj Khalifa holds the following records:

• Tallest building in the world
• Tallest free-standing structure in the world
• Highest number of stories in the world
• Highest occupied floor in the world
• Highest outdoor observation deck in the world
• Elevator with the longest travel distance in the world
• Tallest service elevator in the world

Answer 2

Answer:

This list of tallest buildings includes skyscrapers with continuously occupiable floors and a height of at least 350 m. Non-building structures, such as towers, are not included in this list (see list of tallest buildings and structures).

Explanation:

The Burj Khalifa literally "Khalifa Tower" in English), known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft, just over half a mile) and a roof height (excluding antenna, but including a 244 m spire of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in 2009 (preceded by Taipei 101).