Continuous items for most waves watching tv / reading papers / taking part in discussions on political issues / political knowledge / political participation / party preference / questions concerning importance of different political issues / left and right in politics. Wave 25: Separation of church from state / protection of environment / preference for combination of political parties in next government / political preference / second political preference of other voters than respondent / harm from medical treatment / willingness to pay for full employment / possibilities to get help in law disputes. Background variables: basic characteristics/ place of birth/ residence/ household characteristics/ occupation/employment/ income/capital assets/ education/ politics/ readership, mass media, and 'cultural' exposure/ organizational membership