The OECD database of Agri-environmental Indicators provides the latest and most comprehensive set of agri-environmental indicators (AEIs) across 35 OECD countries and UE countries (plus Norway and Switzerland) from 1990 to 2015. This database builds from OECD questionnaire and the close collaboration with Eurostat. Eurostat is in charge of the data collection statistics for EU countries plus Norway and Switzerland. The OECD Secretariat collects data for non-EU OECD countries on the basis of the OECD Agri-environmental Indicators questionnaire.