[en] The IAEA Annual Report 2011 aims to summarize only the significant activities of the Agency during the year in question. This report covers the period 1 January to 31 December 2011. The main part of the report, starting on page 21, generally follows the programme structure as given in The Agency's Programme and Budget 2010-2011 (GC(53)/5). The introductory chapter, 'The Year in Review', seeks to provide a thematic analysis of the Agency's activities within the context of notable developments during the year. More detailed information can be found in the latest editions of the Agency's Nuclear Safety Review, Nuclear Technology Review, Technical Cooperation Report and the Safeguards Statement for 2011 and Background to the Safeguards Statement. Additional information covering various aspects of the Agency's programme is available in electronic form only on iaea.org, along with the Annual Report.