Rogaland is a county in Western Norway, bordering Hordaland, Telemark, Aust-Agder and Vest-Agder. It is the center of the Norwegian petroleum industry, and as a result of this, Rogaland has the lowest unemployment rate of any county in Norway, 1.1%. Rogaland has a fertility rate of 2.18 children per woman, which is the highest in the country, and one of the highest in Europe.