Current records of Burj Dubai

Tallest freestanding structure: 598.5 meters (1,964 ft) (previously CN Tower - 553.3 m (1,815 ft))
Building with most floors: 158 (previously Sears Tower / World Trade Center - 110)
Vertical concrete pumping (for a building): 601.0 m (1,972 ft) (previously Taipei 101 - 449.2 m (1,474 ft))
Vertical concrete pumping (for any construction): 601.0 m (1,972 ft) (previously Riva del Garda Hydroelectric Power Plant - 532 m (1,745 ft)[9])