Skyscrapers in Japan
Japan has more than 300 buildings over 150 m and most of them are in Tokyo, yet its tallest reaches only 325 m. The reason for both numbers is the same: the ground moves.
The Skytree is not a building
This is the answer most people arrive looking for. Tokyo Skytree is 634 m, almost twice the height of anything else in Japan, and it is not the country's tallest building. It is a broadcast tower: it carries the transmitters for Tokyo's television stations, two observation decks and a mall at its base, and above that base no occupied floors. The Tokyo Tower of 1958, 333 m and painted orange and white, is the same kind of structure.
A building needs floors you can live or work on, stacked continuously. That rule comes from the Council on Vertical Urbanism, which keeps the official heights, and it is why the Eiffel Tower never appears on a tall-buildings list either. Japan holds the two records separately, and the gap between them, 634 m against 325 m, is wider than in any other country with a big skyline. Seewhat counts as a skyscraper.
The tallest building in Japan
Mori JP Tower at Azabudai Hills in Minato, Tokyo, opened in November 2023 at 325 m over 64 floors, mostly offices. It took the title from Abeno Harukas in Osaka, 300 m and 60 floors, which had held it since 2014, and the margin is 25 m. Yokohama Landmark Tower of 1993 is still third at 296 m after thirty years, which tells you how slowly the top of this list moves.
| Building | Place | Year | Height | Floors | Scale |
|---|---|---|---|---|---|
| Mori JP Tower, Azabudai Hills | Tokyo, Japan | 2023 | 325 m | 64 | |
| Abeno Harukas | Osaka, Japan | 2014 | 300 m | 60 | |
| Yokohama Landmark Tower | Yokohama, Japan | 1993 | 296 m | 70 | |
| Toranomon Hills Station Tower | Tokyo, Japan | 2023 | 266 m | 49 | |
| Osaka Prefectural Government Sakishima Building | Osaka, Japan | 1995 | 256 m | 55 | |
| Rinku Gate Tower Building | Izumisano, Japan | 1996 | 256 m | 56 | |
| Toranomon Hills Mori Tower | Tokyo, Japan | 2014 | 256 m | 52 | |
| Tokyo Midtown Yaesu | Tokyo, Japan | 2023 | 240 m | 45 | |
| Burj Khalifa | Dubai, UAE | 2010 | 828 m | 163 |
Why Japan built low for so long
Until 1963 the Building Standard Law capped buildings in Japanese cities at 31 m, roughly eight floors. The limit came out of earthquake fear, and the fear had evidence behind it: the Great Kanto earthquake of 1923 killed more than 100,000 people and flattened much of Tokyo. Nobody could calculate what a tall frame would do in that shaking, so the law forbade one, and Tokyo spent half a century as a city of eight-floor blocks while Chicago and New York went up.
Engineering lifted the cap. Kiyoshi Muto at the University of Tokyo worked out how to design a frame that absorbs an earthquake by flexing instead of resisting it rigidly, and once the behavior could be calculated the height limit had nothing left to defend. The law changed in 1963, and in April 1968 Muto's Kasumigaseki Building opened at 147 m over 36 floors, Japan's first true skyscraper.
How they stand up
A Japanese tower is built to move. Its steel frame is ductile: the members bend and keep carrying load where a brittle frame would crack, and the structure sways slowly enough never to match the rhythm of the ground. Many buildings sit on base isolation, lead rubber bearings of rubber sheets stacked around a lead core, which let the ground slide underneath while the building stays comparatively still. Oil dampers, hydraulic cylinders in the bracing, turn the remaining motion into heat. Abeno Harukas carries two damper types plus steel plate walls in 225 places, and is designed for shaking half again as strong as the code demands.
The line dividing Japanese building stock is 1 June 1981, when the revised seismic code took effect after the 1978 Miyagi earthquake. Kyu-taishin is what came before, shin-taishin what came after, and both words turn up in property listings. The 1995 Kobe earthquake settled whether the revision was worth it: 97 percent of the buildings that collapsed were finished before 1981.
The 2011 Tohoku earthquake tested the tall ones directly. The magnitude 9.0 rupture was 400 km from Tokyo, and its long-period waves matched the natural sway of high-rise buildings. Towers in Shinjuku swayed for 13 minutes; in Osaka, 770 km away, tall buildings moved for more than ten. Not one high-rise collapsed. Interiors were a different story, with ceilings down and elevators stopped across the city, so the design effort since has gone into reducing how far a building travels. How much a skyscraper sways andwhether skyscrapers are safego further.
Shinjuku, Shiodome, Roppongi, Azabudai
Tokyo's towers come in clusters, because each grew on land that came free at once. Nishi-Shinjuku started with the Keio Plaza Hotel in 1971 on a drained reservoir and now holds 11 of the city's 50 tallest buildings, Kenzo Tange's Metropolitan Government Building among them. Shiodome was a railway freight yard, sold in the 1990s and filled with office towers within a decade. Roppongi Hills took seventeen years of buying out 400 landowners, and Azabudai Hills beside it took more than thirty. Osaka is the second skyline, with Abeno Harukas over the Kintetsu store at Tennoji station. Japan's towers stand wherethe world's vertical cities put theirs, by transport interchanges and on old industrial land.
How many there are
Japan counts more than 300 buildings of 150 m or taller. Tokyo alone has over 200 above 150 m, 42 above 200 m, and exactly one above 300 m. That shape, a wide base and almost nothing at the top, is the opposite of Dubai, and it is what land prices beside Tokyo's stations reward: many towers of 180 to 250 m, and no record attempt. Torch Tower breaks the pattern. Due beside Tokyo Station in 2028, it is drawn at 385 m, which would beat Mori JP Tower by 60 m and give Japan its first building taller than the Tokyo Tower. See howa skyscraper gets built.