Sweden is the seventh-richest country in the world in terms of GDP (gross domestic product) per capita and a high standard of living is experienced by its citizens. Sweden is an export-oriented mixed economy. Timber, hydropower and iron ore constitute the resource base of an economy with a heavy emphasis on foreign trade. Sweden's engineering sector accounts for 50% of output and exports, while telecommunications, the automotive industry and the pharmaceutical industries are also of great importance. The country ranks among the highest for telephone and Internet access penetration.