2021 CTBUH Research Competitions: Submit Today

Time is running out to apply for the 2021 research competition programs with up to US$30,000 in prizes. The submission deadline is 10 December 2021.

Looking Back Through 2021

With the calendar drawing to a close, CTBUH celebrates the culmination of a dynamic year full of landmark conferences, engaging educational opportunities, fruitful research initiatives, and fun networking events.

World's Tallest Buildings

See rankings and explore information on the tallest buildings in the world.

Featured Research

Sustainable Tall Building Design Exemplars

Interactive Map

Explore tall buildings and CTBUH activity all over the world.

Featured Publication

Performance-Based Seismic Design for Tall Buildings, 2nd Edition: An Output of the CTBUH Performance-Based Seismic Design Working Group

Featured Video

The Making of 22 Bishopsgate

Featured Data

The Global Impact of 9/11 on Tall Buildings