First-generation immigrant students: Students who were born outside the country of assessment and whose parents were also born in a different country. Second-generation immigrant students: Students who themselves were born in the country of review but whose parents were born in a different country, i.e. students who are following/have followed all their pre-school/schooling in the review country. Around one third live in the three major cities of Stockholm, Goteborg and Malmo, the majority live in municipalities ranging in size from a few thousand people to well over 100 000 people. Sweden is among the top OECD countries with regard to wealth, development and education.