Tallest building in the world: This list features the 10 tallest buildings

This list features the 10 tallest buildings in the world, based on official architectural height (including spires, but excluding antennae), as recorded by the Council on Tall Buildings and Urban Habitat (CTBUH) and verified through reliable, up-to-date sources. Burj Khalifa, the world’s tallest building, inaugurated in 2010, is a mixed-use skyscraper in Dubai. The CN Tower in Toronto was the world's tallest freestanding structure from 1975 to 2007. The following is a list of structures that have historically held the title as the tallest towers in the world. 2025 World's Tallest Buildings and Structures: From Taipei to Dubai When it comes to skyscrapers, it’s like a global game of “Who can build the tallest?” And in 2025, the competition is fiercer than ever. From Taipei’s elegant towers to Dubai’s jaw-dropping masterpieces, these buildings aren’t just about height—they’re about ambition, engineering genius, and a touch of human ego.