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Okay, for this comparison I simply added up the roof heights in metres of all buildings under construction in the USA and Canada, that attained at least 100m. This gives an index of tall building construction activity, that accounts for differing roof heights. My source was SSP.

8508.6m (52.23%) -- 60 buildings -- Toronto + Mississauga, Ontario
3465.8m (21.28%) -- 16 buildings -- New York City, New York
1054.4m (6.47%) -- 8 buildings -- Chicago, Illinois
889.8m (5.46%) -- 7 buildings -- Vancouver + Burnaby + Surrey, British Colombia
259.1m (1.59%) -- 1 building -- Oklahoma City, Oklahoma
248.0m (1.52%) -- 2 buildings -- Montreal, Quebec
245.4m (1.51%) -- 2 buildings -- San Diego, California
236.0m (1.45%) -- 1 building -- Calgary, Alberta
216.4m (1.33%) -- 1 building -- Atlantic City, New Jersey
170.7m (1.05%) -- 1 building -- Dallas, Texas
135.0m (0.83%) -- 1 building -- Houston, Texas
128.3m (0.79%) -- 1 building -- South Padre Island, Texas
126.5m (0.78%) -- 1 building -- Phoenix, Arizona
118.9m (0.73%) -- 1 building -- Arlington, Virginia
113.0m (0.69%) -- 1 building -- Edmonton, Alberta
112.6m (0.69%) -- 1 building -- Detroit, Michigan
109.1m (0.67%) -- 1 building -- Raleigh, North Carolina

you pasted this from that thread but you didnt read the next few posts pointing out how inaccurate it is.
 
I think roof height is a fairer measure than so-called "architectural" height.
 
you pasted this from that thread but you didnt read the next few posts pointing out how inaccurate it is.

What the @#$% are you talking about? I did the math myself for this thread when I posted it here.

(refraining from saying things that would get me a reprimand from the Admins)
 
I know that some will not be interested in this, but for those who are, here is the evolution in time of the "skyscraper index" for New York, Chicago and Toronto. It consists of the sum of the roof heights in metres of all buildings at least 100m in height in that city for that year. The second chart indicates the level of construction in that city, it shows the total skyscraper index that had been added within the previous five years in that city.

NewYorkChicagoToronto1.jpg


NewYorkChicagoToronto2.jpg


New York is of course far ahead, but Toronto is catching up to Chicago by this measure. The current building boom in Toronto is unprecedented in any of these three cities, attaining a level well above the peaks seen in New York or Chicago.
 
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