Burj Khalifa Opens in Dubai on January 4, 2010

On January 4, 2010 the Burj Khalifa officially opened in Dubai, United Arab Emirates. At 828 m tall, it became the world’s tallest structure, overtaking Taipei 101. The opening marked a milestone for Dubai’s rapid development and its ambition to lead in architecture.

Background and Construction

The Burj Khalifa is a megatall skyscraper built in Dubai, a city on the south‑eastern coast of the Persian Gulf. Its total height reaches 829.8 m, with the roof at 828 m. The tower topped out in 2009, securing the record for the tallest building in the world.

Before the Burj Khalifa, Taipei 101 held the title since 2004. The new tower’s completion shifted the record from Taiwan to the United Arab Emirates, highlighting Dubai’s growing role in global construction.

Significance of the Opening

The official opening on January 4, 2010 gave Dubai a landmark that dominates the skyline and draws worldwide attention. As the tallest structure, it showcases advances in engineering and design, setting a benchmark for future megaprojects.

The tower’s height of 828 m places it at the top of lists that rank structures by absolute height, including guyed masts, oil platforms, and transmission towers. Its presence reinforces Dubai’s image as a hub for ambitious architecture.

Impact on the City and Beyond

Dubai, the most populous city in the United Arab Emirates, has a population of about 4 million as of 2025, with a large expatriate community. The Burj Khalifa adds a distinctive element to the city’s urban landscape and supports its tourism and business sectors.

By achieving the record for the tallest building, Dubai positioned itself alongside other major global cities that host record‑setting structures, influencing future projects worldwide.

Key facts

• Burj Khalifa opened on January 4, 2010 in Dubai.
• Its total height is 829.8 m; roof height is 828 m.
• It became the world’s tallest structure, surpassing Taipei 101.
• Dubai’s population is about 4 million in 2025, with 92% expatriates.

Frequently asked questions

What record did the Burj Khalifa achieve when it opened?

It became the tallest structure in the world at 828 m, overtaking Taipei 101.

When was the Burj Khalifa topped out?

The tower topped out in 2009, before its official opening in 2010.

How does the Burj Khalifa compare to other tall structures?

At 828 m it tops lists that rank structures by absolute height, including masts, towers, and bridges.