History of Record Holders in Each CTBUH Category
| Date (Event) | Architectural top | Highest occupied floor | Roof | Tip |
| 2010: Burj Khalifa completed | Burj Khalifa | Burj Khalifa | Burj Khalifa | |
| 2009: CTBUH omits Height to Roof category | Taipei 101 | Shanghai World Financial Center | Willis Tower | |
| 2008: Shanghai World Financial Center completed | Taipei 101 | Shanghai World Financial Center | Shanghai World Financial Center | Willis Tower |
| 2003: Taipei 101 completed | Taipei 101 | Taipei 101 | Taipei 101 | Willis Tower |
| 2000: Willis Tower antenna extension | Petronas Towers | Willis Tower | Willis Tower | Willis Tower |
| 1998: Petronas Towers completed | Petronas Towers | Willis Tower | Willis Tower | World Trade Center |
| 1996: CTBUH defines categories | Willis Tower | Willis Tower | Willis Tower | World Trade Center |
Read more about this topic: List Of Tallest Buildings And Structures In The World/Archive 1, Tallest Buildings
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