Answer: The tallest building in the world is the Burj Khalifa in Dubai, completed in 2010, with a height of 828 m / 2,717 ft and 163 floors.
Status: Confirmed
Entry: science/tallest-building
Revision: 1
Digest: sha256:c695ec89a3556818 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:44:42Z
  Last changed: 2026-11-12T10:44:42Z
  Last verified: 2026-11-12T11:34:24Z
  Next check: 2026-11-19T11:34:24Z
  Check interval: Weekly
  Expected change: No fixed schedule

Data:
  Field | Value | Unit | Source | As of
  Building | Burj Khalifa |  | [1] | 2026-11-12
  City | Dubai |  | [1] | 2026-11-12
  Height | 828 m / 2,717 ft | m / ft | [1] | 2026-11-12
  Floors | 163 | floors | [1] | 2026-11-12
  Completion year | 2010 |  | [1] | 2026-11-12
  Rank | 1 |  | [1] | 2026-11-12

Sources:
  [1] Council on Tall Buildings and Urban Habitat. "The 100 Tallest Completed Buildings in the World in 2026 - The Skyscraper Center". https://www.skyscrapercenter.com/buildings
      Role: primary. Accessed: 2026-11-12T11:34:24Z
      Quote: "Burj Khalifa Dubai 2010 828 m / 2,717 ft 163" (Supports: Building, City, Height, Floors, Completion year)
      Quote: "1 " data-order="Burj Khalifa"> Burj Khalifa" (Supports: Rank)
      Snapshot SHA-256: 5f50e59f6d05b1cd84fc5267061590e8e644d1d31613700c755924e708238f39 (captured 2026-11-12T10:44:42Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. On this check the text of [1] was unchanged since 2026-11-12T10:44:42Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:34:24Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:34:24Z
  Last attempt: 2026-11-12T11:34:24Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:44:42Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/science/tallest-building/latest

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How to cite:
    latestN. (2026). What is the tallest building in the world? Revision 1, last verified 2026-11-12T11:34:24Z. https://latestn.com/science/tallest-building (accessed 2026-11-12T12:52:56Z).

    @misc{latestN_science_tallest_building_r1,
      title        = {What is the tallest building in the world?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/science/tallest-building}},
      note         = {Revision 1; digest sha256:c695ec89a3556818; last verified 2026-11-12T11:34:24Z; accessed 2026-11-12T12:52:56Z}
    }

URL: https://latestn.com/science/tallest-building