Annual activity reports of the Office of Administration of Justice provide an overview of the work of the Office, and aggregate data on the work of the United Nations Dispute Tribunal and the United Nations Appeals Tribunal, and of the Office of Staff Legal Assistance. The reports also include summaries of notable legal pronouncements by the Tribunals in the reporting year on a range of subjects.
| 12th Activity Report | 1 January 2018 - 31 December 2018 |
| 11th Activity Report | 1 January 2017 - 31 December 2017 |
| 10th Activity Report | 1 January 2016 - 31 December 2016 |
| 9th Activity Report | 1 January 2015 – 31 December 2015 |
| 8th Activity Report | 1 January 2014 – 31 December 2014 |
| 7th Activity Report | 1 January 2013 – 31 December 2013 |
| 6th Activity Report | 1 January 2012 – 31 December 2012 |
| 5th Activity Report | 1 July 2011 – 31 December 2011 |
| 4th Activity Report | 1 July 2010 – 30 June 2011 |
| 3rd Activity Report | 1 July 2010 – 31 December 2010 |
| 2nd Activity Report | 1 July 2009 – 30 June 2010 |
| 1st Activity Report | 1 July – 31 December 2009 |