Bulletin 2026-09UCDP data through GED 26.1, Candidate Events 26.0.9Changes in the data

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Events and deaths in organized violence, as UCDP records them

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Deir ez Zor governorate, Syria: events and estimated deaths recorded by UCDP

Data through Name of the region as UCDP writes it: Deir ez Zor governoratePopulation about 1,239,000 (Wikidata)

UCDP recorded 2 eventsP of organized violence in Deir ez Zor governorate, Syria in September 2026. The best estimate of deaths in these events is 12P. The count for August 2026 was 7 eventsP.

In the 12 months to 30 Sep 2026, UCDP recorded 59 eventsP in Deir ez Zor governorate, Syria. The best estimate of deaths in the events of the 12 months is 83P. UCDP counts 32P of these deaths as deaths of civilians.

Among the 12 regions of Syria with a page, Deir ez Zor governorate has the 2nd highest count of events in the 12 months to 30 Sep 2026. Deir ez Zor governorate holds 14 percentP of the events that UCDP recorded in Syria in the 12 months to 30 Sep 2026. In the 12 months to 30 Sep 2025, UCDP recorded 95 events in Deir ez Zor governorate. The count for the 12 months to 30 Sep 2026 is 59P, which is down 38 percent. Over the same periods, the count for Syria as a whole went from 690 to 427P, which is down 38 percent. Events of one-sided violence are 44 percentP of the events in Deir ez Zor governorate in the 12 months to 30 Sep 2026. For Syria, the share is 59 percentP.

Table 1. Deir ez Zor governorate, Syria: events and estimated deaths that UCDP records
FigureSeptember 2026PAugust 2026P12 months to 30 Sep 2026P
Events2759
Estimated deaths, best estimate12883
Low estimate of deaths12883
High estimate of deaths12883
Deaths of civilians1632

P Preliminary. The figure is from UCDP Candidate Events, and UCDP revises these events.

Not all events in UCDP Candidate will make it into the final UCDP GED and new events will be added. The UCDP Candidate is a dataset containing events that have a high probability of being included in the final annual version of UCDP GED.

An incident where armed force was used by an organized actor against another organized actor, or against civilians, resulting in at least 1 direct death at a specific location and a specific date

UCDP's words. Source: UCDP Candidate Events Dataset Codebook, version 1.5 (Introduction) and UCDP GED Codebook, version 26.1 (section 2, the definition of an event), copied on .

This page rests on UCDP GED 26.1 and UCDP Candidate Events 26.0.9, with data through . The figures from January 2026 are from Candidate Events. Candidate Events are preliminary and UCDP revises them.

The pages give counts and their sources. They give no travel, security or safety advice. A count of events is not a measure of danger.

Since the last update

ConflictStats recorded this on .

  • UCDP recorded 2 events in Deir ez Zor governorate, Syria, in September 2026 (preliminary). The count for August 2026 was 7 (preliminary).

All changes recorded on 28 Oct 2026

24 months

02550Jan 2025Jan 2026GEDCandidate
Figure 1. Events in Deir ez Zor governorate by month. A hollow column is a preliminary month. The line marks the change of dataset: GED to the left, Candidate Events from Jan 2026 to the right. The two datasets are not made in the same way, so a step at the line is not only a change in the events. The figures are in Table 5.
Figure 2. Events in Deir ez Zor governorate, 1 Oct 2025 to 30 Sep 2026. The map shows 59 events with 83 estimated deaths. One dot is one event at the place that UCDP gives. When a source names no exact place, UCDP puts the event at the centre of a region or of the country. The area of a dot follows the best estimate of deaths. The largest dot is for 330 deaths or more.1 death10 deaths100 deathsOutlines: Natural Earth, with the first-level areas of the UCDP data. An outline shows where the events are. It is not a statement about a border.

Actors, as UCDP names them

Names as UCDP writes them.

Table 2. Deir ez Zor governorate: actors, as UCDP names them, in the events of the 12 months to 30 Sep 2026, in name order
Name, as UCDP writes itEventsEstimated deaths in these events
Actor not identified by UCDP34P51P
Government of Syria13P18P
IS21P28P
SDF1113

An event has two sides, so one event can be in two rows. The deaths are the deaths in the events of a side. The table does not say which side caused a death. Names are as UCDP writes them, with two labels that the site writes. UCDP does not identify some actors: the site writes "Actor not identified by UCDP" for each of them. UCDP names some groups for a person: the site writes "Group named for a person (name not shown)" for each of them. A line with a label can hold more than one actor.

P Preliminary. The figure is from UCDP Candidate Events, and UCDP revises these events.

Second-level areas

The areas in Deir ez Zor governorate that UCDP names in the events. The table has 10 areas at most.

Table 3. Second-level areas of Deir ez Zor governorate in the events of the 12 months to 30 Sep 2026, in name order
Area, as UCDP writes itEventsEstimated deaths
Al Mayadin district13P18P
Albu Kamal district13P16P
Deir ez Zor district26P39P

P Preliminary. The figure is from UCDP Candidate Events, and UCDP revises these events.

Type of violence

Table 4. Deir ez Zor governorate: events by type of violence, the 12 months to 30 Sep 2026
Type of violenceEventsShare of events
State-based armed conflict18P31%
Non-state conflict15P25%
One-sided violence against civilians26P44%

P Preliminary. The figure is from UCDP Candidate Events, and UCDP revises these events.

The glossary has the UCDP definition of each type.

Monthly reports

One report for each month with events. Search engines list a report of a month in the last 12 months that has 30 or more events.

Table 5. Monthly reports of Deir ez Zor governorate, newest first: events and estimated deaths
MonthEventsEstimated deathsDataset
September 20262P12PCandidate Events
August 20267P8PCandidate Events
July 20265P5PCandidate Events
June 20264P4PCandidate Events
May 20268P9PCandidate Events
April 20266P6PCandidate Events
March 20264P4PCandidate Events
February 20267P9PCandidate Events
January 20263P7PCandidate Events
December 202579GED
November 202522GED
October 202548GED
September 2025614GED
August 2025711GED
July 202535GED
June 202557GED
May 202559GED
April 2025610GED
March 202533GED
February 2025312GED
January 202514GED
December 20241660GED
November 20242236GED
October 20241831GED
September 20241434GED
August 20241547GED

P Preliminary. The figure is from UCDP Candidate Events, and UCDP revises these events. Search engines list a report of a month in the last 12 months that has 30 or more events. The other reports stay online and ask search engines not to list them.

Syria: all figures

Official channels

These links go to the sites of the organisations. The UCDP and World Bank links were checked on .

Cite and download

ConflictStats. Deir ez Zor governorate, Syria: events and estimated deaths recorded by UCDP. https://conflictstats.com/country/syria/deir-ez-zor-governorate/. Source: Uppsala Conflict Data Program, UCDP GED 26.1 and UCDP Candidate Events 26.0.9. Data through .

The address of this page does not change. UCDP asks for a citation of its publications: Data sources and licences has it.

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Questions

How many events did UCDP record in Deir ez Zor governorate, Syria in September 2026?

UCDP recorded 2 eventsP of organized violence in Deir ez Zor governorate, Syria in September 2026. The count for August 2026 was 7 eventsP.

How does UCDP count deaths?

UCDP gives a best estimate, a low estimate and a high estimate for each event. This page uses the best estimate. For Deir ez Zor governorate, Syria in the 12 months to 30 Sep 2026, the best estimate is 83P. The low estimate is 83 and the high estimate is 83P.

Are the figures of the latest months final?

No. The figures from January 2026 are from UCDP Candidate Events. Candidate Events are preliminary and UCDP revises them. UCDP releases the reviewed dataset, the GED, one time each year.