Jeddah, Saudi Arabia: Expected to surpass 1 kilometer (about 3,281 feet) in height upon completion
Dubai, United Arab Emirates: Proposed to exceed the height of the Burj Khalifa and become the new tallest building in the world
Tokyo, Japan: A futuristic concept aiming for a height of one mile (1,609 meters), though it faces significant challenges and may remain a concept
Wuhan, China: A mega-project in China with plans to reach over 700 meters in height, though its completion is uncertain
Tianjin, China: Another Chinese skyscraper project, expected to surpass 600 meters in height.
Dubai, United Arab Emirates: Originally planned to be the tallest residential building in the world, if completed, it could contend for the top spots
Suzhou, China: Planned to be over 700 meters tall, this skyscraper could become one of the tallest in the world
Mecca, Saudi Arabia: With a proposed height exceeding 600 meters, it aims to be the largest hotel in the world
Tianjin, China: Completed in 2019, it's already one of the tallest buildings in the world, but it could remain in the top ranks by 2050
Shanghai, China: Completed in 2015, it's one of the tallest buildings globally and could still be among the tallest in 2050