Tokyo is the most populated of Japan's 47 prefectures. With around 14 million inhabitants in the prefecture and 40 million in the Metropolitan area as of 2024, [1] [2] Tokyo ranks among the largest metropolises in the world. Despite Japan being the country with the highest average age globally in 2024 (excluding the city-state of Monaco and Saint Pierre and Miquelon), according to The World Factbook, [3] and experiencing negative population growth, [4] the country underwent a period of rapid population growth after World War II, [5] particularly in the capital, Tokyo. This growth gave rise to several megaprojects aimed at addressing ecological issues and space shortages caused by overpopulation. [6] This article lists visionary megaprojects announced during the 1980s and 1990s, coinciding with Japan's asset price bubble period, as well as more recent projects with heights of 300 meters or more.
This table lists visionary construction projects, also referred to as 'visions' by the Council on Tall Buildings and Urban Habitat (CTBUH), with heights of at least 300 meters (984 feet).
Name | Height m (ft) | Floors | Start | Finish | Location (Ward) | Notes |
---|---|---|---|---|---|---|
Tokyo Tower of Babel | 10 km | 1969 | — | — | — | |
X-SEED 4000 | 4000 | 800 | — | — | — | |
TRY-2004 | 2004 | 400 | — | — | — | [8] |
Aeropolis 2001 | 2001 | 500 | — | — | — |
|
Sky Mile Tower | 1700 | — | — | 2045 | — | [10] |
M.O.T.H.E.R. | 1321 | 220 | — | — | — | |
The Spiral | 1000 | 200 | — | — | — | [12] |
Sky City 1000 | 1000 | 196 | — | — | — | |
Hyper Building | 1000 | — | — | — | — | [14] |
Millenium Tower | 840 | 180 | — | 2009 | — | [15] |
DIB-200 | 800 | 200 | — | — | — | [16] [17] |
Holonic Tower | 600 | 120 | — | — | — | [18] |
Shimizu Super High Rise | 550 | — | — | — | — | [19] |
W350 | 350 | 70 | — | 2041 | Chiyoda |
The Tokyo Metropolitan Government Building, also referred to as the Tochō (都庁) for short, is the seat of the Tokyo Metropolitan Government, which governs the special wards, cities, towns, and villages that constitute the Tokyo Metropolis.
The Shinjuku Park Tower is the second-tallest building in Shinjuku, Tokyo.
The Brillia Tower Tokyo (Brilliaタワー東京) is a residential building in the Sumida special ward of Tokyo, Japan. Completed in June 2006, it stands at 159 m (522 ft) tall.
The Owl Tower (アウルタワー) is a residential building in the Toshima special ward of Tokyo, Japan. Completed in January 2011, it stands at 189.2 m (621 ft) tall, with the top floor located at 182.8 m (600 ft). It is the 38th tallest building in Tokyo and the 55th tallest building in Japan.
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