Eligible subjects are all type II diabetes patients, found in medical records at the participating centres. Patient data from the period 1 January 1999 - 31 December 2009 will be included in the observation. To ensure a representative selection of primary care centers, selection of study sites will be based on the following criteria to ensure a representative sample of the Swedish population: a mix of rural and urban areas, public and private care providers, small, mid sized and large primary care centers.