At the end of 2011, Jon Peddie Research (JPR) released its “2012 CAD Report,” which estimated the number of active CAD users worldwide to be 19.3 million… Of those 19.3 million global CAD seats, according to JPR, 27% are based in Asia; 34% in North America; and 37% in Europe, the Middle East, and Africa (EMEA). The BRIC countries (Brazil, Russia, India, and China) are growing most quickly. source: http://www.cadalyst.com/cad/cad-around-world-14725
Annual growth of global 3D CAD market is about 6%. source: http://www.prnewswire.com/news-releases/global-3d-cad-market-growth-of-606-2015-2019---increased-switching-from-2d-to-3d-cad-by-end-users-568419511.html
Rhino3D also lost some ground, moving from 9% down to 5.3%. source: http://microfabricator.com/articles/view/id/54bf97e4313944610f8b4573/results-of-our-2015-cad-survey
Rhino3D is off a bit from 5.3% in 2015 to 3.9% this year. source:
1. There was about 19.3*(1.06^3)0.09 = 2.1 million Rhino3D users in 2014. _
_2. Total number of Rhino3D users dropped to 19.3(1.06^3)*0.053 = 1.22 million in 2015.
3. Total number of Rhino3D users dropped to 19.3*(1.06^4)*0.039 = 0.95 million in 2016.
Rhino3D users migrate to Fusion 360 because Rhino3D is based on NURBS and Fusion 360 is based on T-splines.
When Autodesk purchased T-splines in 2011, I claimed that other CAD vendors were doomed. I still believe that they are doomed.
By the way, I invented geometric modeling kernel (basic idea only, no patent yet) that is superior to T-splines. Alas, Robert McNeel & Associates do not have the resources to develop this basic idea into commercial program.