Nigeria: Horror in numbers

More than 1 million – number of people forced to flee their homes due to Boko Haram attacks since 2009.

17,000 – people killed across north-east Nigeria since the start of the conflict in 2009.

Nigerian MilitaryAt least 20,000 –people, mostly men and boys, arrested by the Nigerian military since 2009.

More than 7,000 – people who died of starvation, suffocation or torture while held in military detention since March 2011.

More than 1,400 – corpses delivered from Giwa barracks to one mortuary in Maiduguri in June 2013.

At least 1,200 – men and boys extrajudicially executed by the Nigerian military in the states of Borno, Yobe and Adamawa since February 2012.

Up to 1,700 –men and boys between 14 and 30 years old that are registered as members of the civilian militia, the Civilian Joint Task Force. Thousands more are believed to be unregistered members.

Boko HaramMore than 5,500 – people killed by Boko Haram between 2014 and March 2015.

At least 2,000 – number of young women and girls abducted by Boko Haram since 2014.

Amnesty International researchMore than 800 – number of official documents reviewed by Amnesty International. More than 700 letters and memos between military headquarters and the field, daily reports from military units based in the north-east, and dozens of documents.

90 – Number of videos viewed and verified by Amnesty International showing members of the security forces and their allied militia, the Civilian Join Task Force (civilian JTF) while committing human rights abuses violations.

412 – number of people interviewed by Amnesty International for this report including survivors, victims, their relatives, eyewitnesses, human rights activists, doctors, journalists, lawyers and military sources.

57 –letters Amnesty International sent to the Federal and State authorities since 2013, sharing research findings, raising concerns about ongoing violations and requesting information and specific action, such as investigations.

13 –responses received from the Nigerian government