SKYDB

SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

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Rankings of tall buildings

World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest citiesBiggest countries

Tall Building Markets

Global building statisticsBiggest cities worldwideCountry market overviewsConstruction activityAnnual completions

Tall buildings worldwide, with heights, construction status and the companies involved.

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Research & data

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Professional building research, data exports and API access, plus advertising offerings.

SKYDB Insights charts showing buildings by decade, status, use, floor count and heightView Insights plans

About SKYDB

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Using SKYDB

Coverage and focusSources and qualityHow to add contentDefinitions and standardsKnowledge base

SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB

Panorama of Seoul File 170-527-552

Seoul city

structure #848984401building

Millennium Building

existing 135.9 m 31 floors 1999

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Location of Millennium Building
Height Rankings

Object dataJoin to edit

Architectural Height135.9 m
Main Roof Height135.9 m
Floors31
Completion1999
Structural Formskyscraper
Main Usageoffice
Status existing
Address467-12 Dogok-dong, Kangnam-gu
CitySeoul
CountrySouth Korea
Source: SKYDB | As of: 2026-09-20

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Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

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