Data Studies

The Research & Thought Leadership division of the CTBUH performs objective research at all scales and distributes findings in the form of data studies that highlight critical issues facing tall buildings and future cities.

Latest Study

2 June 2025 | Tall Buildings in Numbers

Vertical Urbanism Index Case Study: Amsterdam & Rotterdam

Amsterdam is a global leader in sustainable urbanism, known for its human-scale planning, cycling infrastructure, and adaptive reuse of historic structures. While traditionally low-rise, the city is now exploring vertical expansion in select nodes to meet growing housing needs while preserving livability. Rotterdam is one of the Netherlands’ mos...

All Studies

2 June 2025 | Vertical Urbanism Index

Vertical Urbanism Index Case Study: Amsterdam & Rotterdam

Amsterdam is a global leader in sustainable urbanism, known for its human-scale planning, cycling infrastructure, and adaptive reuse of historic structures. While traditionally low...

16 April 2025 | Global Activity Series

CTBUH 2025 Global Activity Series: Europe

Europe, though not a leader in tall buildings by height, is rapidly growing skyward through applications of sustainable vertical density. Over half of Europe's 1,217 buildings over...

4 February 2025 | CTBUH 2025 Trends & Forecasts

CTBUH 2025 Trends & Forecasts

After 2023 set a new tall building record with 184 completions, 2024 saw a steep 33.2 percent drop-off, with 123 buildings of 200 meters or greater in height completing.

1 December 2024 | Vertical Urbanism Index

Vertical Urbanism Index Case Study: Bangkok

Bangkok is the largest city in Thailand and, as of 2024, has doubled in population over the past 37 years. As the growing metropolitan region plans for better transit, higher densi...

23 September 2024 | Vertical Urbanism 2024 Issue I

New or Renew: Europe's Tallest Cities

Against a backdrop of housing undersupply and office oversupply, more buildings are being repositioned. In Europe, where the average 75-meter-plus office building is over 23 years...

23 September 2024 | Vertical Urbanism 2024 Issue I

Interactive Study: New or Renew

Against a backdrop of housing undersupply and office oversupply, more buildings are being repositioned. In Europe, where the average 75-meter-plus office building is over 23 years...