For data on violent incidents, publicly available curated datasets from the organisation Armed Conflict Location and Event Data Project (ACLED) have been used. ACLED is a project collecting, analysing and mapping information on crisis and conflict in Africa, south and south-east Asia and Middle East and provides datasets on conflict incidents. It collects data on violent incidents in Syria, coding each incident with the time and place, type of violent incident, the parties involved and the number of fatalities. The information is collected in a database that is openly accessible, searchable and kept continuously up to date. The data primarily come from secondary sources such as traditional media reports, but also from reports by international institutions and non-governmental organisations, targeted new media platforms, and data provided by local partners of ACLED.3On Syria, ACLED incorporates data from a number of partners, including the Syrian Network for Human Rights (SNHR), Airwars, the Carter Center, Liveuamap, Syria Direct, the Syrian Observatory for Human Rights (SOHR), the London School of Economics’ Conflict and Civil Society Research Unit, the International Security and Development Center and Clingendael Institute4.
ACLED codes security incidents as follows:
- Battles: violent clashes between at least two armed groups. Battles can occur between armed and organised state, non-state, and external groups, and in any combination therein. Sub-events of battles are armed clashes, government regaining territory and non-state actor overtaking territory.
- Violence against civilians: violent events where an organised armed group deliberately inflicts violence upon unarmed non-combatants. It includes violent attacks on unarmed civilians such as sexual violence, attacks, abduction/forced disappearance.
- Explosions/remote violence: events where an explosion, bomb or other explosive device was used to engage in conflict. They include one-sided violent events in which the tool for engaging in conflict creates asymmetry by taking away the ability of the targets to engage or defend themselves and their location. They include air/drone strikes, suicide bombs, shelling/artillery/missile attacks, remote explosives/landmines/IEDs, grenades, chemical weapons.
- Riots: are a violent demonstration, often involving a spontaneous action by unorganised, unaffiliated members of society. They include violent demonstration, mob violence.
- Protests: public demonstration in which the participants do not engage in violence, though violence may be used against them. It includes peaceful protests, protests with intervention, excessive force against protesters.
- Strategic developments: information regarding the activities of violent groups that is not itself recorded as political violence, yet may trigger future events or contribute to political dynamics within and across states. It includes agreements, changes to group/activity, non-violent transfers of territory, arrests.5
For the purpose of providing information for the assessment of serious and individual threat to a civilian’s life or person by reason of indiscriminate violence in situations of international or internal armed conflict (Article 15(c) of the Qualification Directive), only the following type of events have been included in the analysis: battles, explosions/remote violence and violence against civilians.
Additionally, ACLED codes actors involved in security incidents as follows: Actor1 is the ‘named actor involved in the event’ and Actor2 is the ‘named actor involved in the event, while “[i]n most cases, an event requires two actors, noted in columns ‘ACTOR1’ and ‘ACTOR2’”.
However, event types ‘Explosions/Remote violence’, ‘Riots’, ‘Protests’, and ‘Strategic developments’ can include ‘one-sided events’.6 The ACLED coding of Actor1 and Actor2 does not necessarily indicate that one is the aggressor (e.g Actor1) and the other one (e.g. Actor2) the target or victim.7 When focusing on the involvement of specific actors within certain regions, the drafters based their analysis on all those incidents, where ACLED coded the relevant actor either as ‘Actor1’ or as ‘Actor2’. This approach aims to illustrate the general level of involvement of the respective actors in the conflict without distinguishing between Actor1 and Actor2, as these categories, according to ACLED's methodology, do not indicate any differentiation in terms of content/semantics.
Characteristics and potential limits for COI use of ACLED data are:
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Data primarily come from secondary sources such as media reports. Lack of or underreporting might critically affect the depiction and the assessment of the situation on the ground.
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Geographical precision is variable: the provincial capital will represent the region if no further precisions are available and may be over-represented.
Security incidents numbers and associated graphs/maps at country and governorate level are based on a publicly available ACLED dataset for Middle East.8 Whenever other sources on security incidents were available over the reference period, ACLED’s data have been corroborated/contrasted with other data.
- 3
ACLED, Methodology, April 2019, url ACLED, FAQs: ACLED Sourcing Methodology, March 2023, url
- 4
ACLED, Syria Partner Network, April 2019, url; ACLED, ACLED Integrates New Partner Data on the War in Syria, 5 April 2019, url
- 5
ACLED, Armed Conflict Location & Event Data Project (ACLED) Codebook, 7 October 2024, url, pp. 10-20
- 6
ACLED, Armed Conflict Location & Event Data Project (ACLED) Codebook, 7 October 2024, url, p. 22
- 7
ACLED, Armed Conflict Location & Event Data Project (ACLED) Codebook, 7 October 2024, url, p. 4
- 8
ACLED, Curated Data Files, Middle East (12 August 2022), url