Human development aims to expand opportunities for people, with a focus on the wealth of human lives, not just the wealth of economies.Work is an essential aspect of this process, as it involves people all over the world in various ways and occupies a large part of their lives. Of the world's 7.3 billion people, 3.2 billion are employed, others are engaged in care work, creative work, volunteer work or other types of work, or are preparing to become future workers.