Australia has been a dream nation for many aspiring people wishing to change their life by moving to a place offering some of the best living conditions, environment, and facilities. Australian cities like Melbourne, Sydney, Perth, and Adelaide are ranked amongst the finest cities to live in the world. Australia is one of the few nations offering varied immigration programs, as its growing and thriving economy require a continued inflow of skilled workers. This island continent has one of the most complicated immigration systems in the world.