From here some interesting stats:
- 6 million PHP programmers
- According to Linkedin, Facebook currently employs approximately 8850 software developers.
- At Amazon, there are around 36,000 developers writing code.
- Apple employs around 20 million developers, and together they have made about $100 billion in revenues.
- As of now, Netflix employs only 80 software engineers, who build 50 applications.
- According to the official Google employee report, 27,169 software engineers work at Google (i.e. research & development).