StackOverflow has a new Developer Survey of over 64,000 developers. What’s surprising is that a large proportion of developers are new to software development. This is good because the industry needs more developers but it might be bad if you are looking for someone experienced to implement your project.
It’s interesting that iOS and Android now have numbers of developers of similar orders of magnitude to long time popular platforms such as Linux and Windows. There are also more Android developers than iOS developers: