The American Association for Public Opinion Research (AAPOR), is a professional organization of more than 2,000 public opinion and survey research professionals in the United States and from around the world, with members from academia, media, government, the non-profit sector and private industry. AAPOR publishes three academic journals: Public Opinion Quarterly]', Survey Practice]' and the Journal for Survey Statistics and Methodology]'. It holds an annual research conference and maintains a "Code of Professional Ethics and Practices," for survey research which all members agree to follow.