• European Society for Opinion and Marketing Research (ESOMAR):
https://esomar.org

• The Market Research Society (UK):
https://www.mrs.org.uk

• BVM – Berufsverband deutscher Markt- und Sozialforscher e.V. (DE):
https://www.bvm.org

• Marketing Research Association (USA)
https://www.mra-net.org

• Statistics Denmark (Danmarks Statistik):
https://www.dst.dk/da

• Eurostat:
https://ec.europa.eu/eurostat

• Federal Statistical Office Germany (Statistisches Bundesamt der Bundesrepublik Deutschland):
https://www.destatis.de

• Statistics Sweden (Statistiske Centralbyrån):
https://www.scb.se

• Statistics Norway (Statistisk sentralbyrå):
https://www.ssb.no

• The Norwegian Data Inspectorate (Datatilsynet):
https://www.datatilsynet.no

• Statistics Finland (Tilastokeskus):
https://www.stat.fi

• WAPOR – World Association of Public Opinion Research:
https://wapor.org

• International Journal of Public Opinion Research
https://academic.oup.com/ijpor

• Greenbook Directory
https://www.greenbook.org

• Euresearch
https://www.euresearch.ch

• Triple-s (industry standard for the exchange of market research data)
https://triple-s.org

• Quirk’s Marketing Research Review
https://www.quirks.com