(i) Municipal waste is mainly produced by households, similar wastes from sources such as commerce, offices and public institutions are included. The amount of municipal waste generated consists of waste collected by or on behalf of municipal authorities and disposed of through the waste management system. The amount of municipal waste treatment is reported for the treatment operations incineration (with and without energy recovery), recycling, composting and landfilling. Data are available in thousand tonnes and kilograms per person. Wastes from agriculture and from industries are not included. (ii) Reporting units may be legal units (waste collectors, waste treatment facilities etc.) or institutions (e.g. communities or cities). Observation units are units of weight of waste and units of weight per capita. (iii) The European Union is presented in its current composition. The publication also contains data for EU-Candidate Countries and EFTA countries (Norway, Iceland, Switzerland and Liechtenstein) as well as the potential Candidate Countries Bosnia and Herzegovina and Kosovo. (iv) Data on municipal waste are collected via a subset of the Eurostat / OECD Joint Questionnaire.