Before revision: United States As of 2016, it was estimated that 3.87 million professional software developers worked in the US out of a total employed workforce of 152 million (2.54%DIF < ).
After revision: United States There are an estimated 4.4 million professional software engineers, up from an estimated 3.87 million in the US out of a total employed workforce of 152 million (2.54%DIF < ).