I don't think there are more people retiring than entering the workforce in software specifically though, only because the field has grown significantly over th

I don't think there are more people retiring than entering the workforce in software specifically though, only because the field has grown significantly over the last 2 decades. 4 decades ago it was less common for people to study computing or computer science (many universities may not even have had the program). Now, it's one of the most popular choices, and there are also many people entering the field without degrees (bootcamps and the awareness that software skills can be learned outside of a structured curriculum weren't so common over 10 years ago).