I’ve read somewhere in the White Paper about the annual income of skilled workers, namely carpenters, electricians, plumbers, painters and roofers that are more higher than the annual income for all occupations. It only means that skilled workers are now more in-demand than other professions there are in the community. Well, it cant be denied, home repairs is a necessity and it can be undone specially when the repairs needed affects us badly from day to day.
I don't read it in the whitepaper. Well, I guess I am just skipped that thing.
Anyway, it is impossible to have a high annual salary of the blue collar than white collar. Why? Because one of the factors affecting the inequal income salary is the degree of education. In our economy, intelligence is better than skills. Believe it or not.
In case that there is a high amount of salary in the skilled workers. Probably, it is for the immigrant workers. USA is a developed country, citizens their are graduated in baccalaureate degree and as of now, they are lack of skilled workers and they need them. That's why there is high income salary for skilled workers.