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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Syria and Yemen: events and estimated deaths compared

Data through The two countries are in the UCDP region Middle East

This comparison stays online because the site published it earlier. In the UCDP data through 30 Sep 2026, the site did not select this pair of countries. Search engines are asked not to list this page.

In the 12 months to 30 Sep 2026, UCDP recorded 427 eventsP in Syria and 690 eventsP in Yemen. The best estimate of deaths is 677P in Syria and 5,436P in Yemen. The two columns use the same periods and the same UCDP definitions.

In the 12 months to 30 Sep 2025, UCDP recorded 690 events in Syria and 345 events in Yemen. The count for the 12 months to 30 Sep 2026 is down 38 percentP in Syria. It is up 100 percentP in Yemen.

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.

Side by side

Population: World Bank, 2025. A rate shows the count against the size of the country.

Table 1. Syria and Yemen: the same figures for the same periods
FigureSyriaYemen
Events, September 20268P232P
Estimated deaths, September 202640P2,924P
Events, 12 months to 30 Sep 2026427P690P
Estimated deaths, 12 months to 30 Sep 2026677P5,436P
Low estimate of deaths, 12 months676P2,981P
High estimate of deaths, 12 months679P6,556P
Deaths of civilians, 12 months398P536P
Events, state-based armed conflict, 12 months113P522P
Events, non-state conflict, 12 months64P120P
Events, one-sided violence against civilians, 12 months250P48P
Population (World Bank)25,620,42741,773,878
Events for each million inhabitants, 12 months16.7P16.5P
Deaths for each million inhabitants, 12 months26.4P130.1P
Regions with a page1216

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

24 months

Each chart has its own scale. The page of each country has the figures as a table.

0100200Jan 2025Jan 2026GEDCandidate
Figure 1. Events in Syria 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.
0250500Jan 2025Jan 2026GEDCandidate
Figure 2. Events in Yemen 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 pages of the two countries: Syria and Yemen.

Official channels

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

Cite this page

ConflictStats. Syria and Yemen: events and estimated deaths compared. https://conflictstats.com/compare/syria-vs-yemen/. 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.