Occupations - Topics

What are the happiest occupations in the world? Why do people switch occupations mid career? How do occupations differ around the world? Why do siblings rarely follow the same occupation? How do you become a doctor in different countries? What jobs exist today that didn't decades ago? What jobs will disappear in the next decades? Why do we judge some occupations as low status? How do you become a chef? Competence at one rung of the ladder rarely transfers to the next