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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Borno state, Nigeria: events and estimated deaths in September 2026

Monthly report of a regionDataset: UCDP Candidate Events, preliminaryData through

Search engines are asked not to list this page. They list a monthly report when three things are true. The page of the region is listed. The month is one of the last 12 months. The month has 30 or more events.

UCDP recorded 10 eventsP of organized violence in Borno state, Nigeria in September 2026. The best estimate of deaths in these events is 82P. The low estimate is 80 and the high estimate is 85P. UCDP counts 18P of these deaths as deaths of civilians. The count for August 2026 was 22 eventsP.

The count for September 2025 was 32 events. The change from September 2025 to September 2026 is down 69 percentP. Among the 26 months with a report for Borno state, Nigeria, September 2026 has the 25th highest count of events. Borno state, Nigeria holds 7 percentP of the events that UCDP recorded in Nigeria in September 2026. In September 2025, the share was 46 percent.

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

The report of the country for this month: Nigeria, September 2026.

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.

Events

The table lists each event of the month. The CSV file of Nigeria has each event.

Table 1. Borno state, September 2026: the events of the month, in the order of their dates
DatePlaceSides, as UCDP writes themType of violenceEstimated deathsPLowHigh
1 Sep 2026Bama lga, Borno stateGovernment of Nigeria; ISState-based204
2 Sep 2026Bama lga, Borno stateIS; JASNon-state242424
7 Sep 2026Gwoza lga, Borno stateGovernment of Nigeria; ISState-based111
11 Sep 2026Marte lga, Borno stateGovernment of Nigeria; ISState-based191919
15 Sep 2026Guzamala lga, Borno stateGovernment of Nigeria; ISState-based444
17 Sep 2026Bama lga, Borno stateActor not identified by UCDP; Actor not identified by UCDPState-based999
21 Sep 2026Kala/Balge lga, Borno stateGovernment of Nigeria; ISState-based111
21 Sep 2026Kala/Balge lga, Borno stateGovernment of Nigeria; ISState-based444
25 Sep 2026Konduga lga, Borno stateGovernment of Nigeria; ISState-based001
30 Sep 2026Marte lga, Borno stateIS; CiviliansOne-sided181818

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

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.

Actors, as UCDP names them

Names as UCDP writes them.

Table 2. Borno state: actors, as UCDP names them, in the events of September 2026, in name order
Name, as UCDP writes itEventsEstimated deaths in these events
Actor not identified by UCDP1P9P
Government of Nigeria7P31P
IS9P73P
JAS1P24P

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.

All months

Table 3. Monthly reports of Borno state, newest first: events and estimated deaths
MonthEventsEstimated deathsDataset
September 202610P82PCandidate Events
August 202622P170PCandidate Events
July 202617P88PCandidate Events
June 202624P128PCandidate Events
May 202631P410PCandidate Events
April 202636P337PCandidate Events
March 202640P476PCandidate Events
February 202622P81PCandidate Events
January 202648P368PCandidate Events
December 202532114GED
November 202528307GED
October 202521179GED
September 202532216GED
August 202525117GED
July 20253587GED
June 202523168GED
May 202534371GED
April 202523114GED
March 202527144GED
February 20251699GED
January 202529353GED
December 2024880GED
November 202424153GED
October 202423208GED
September 20241785GED
August 202416288GED

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.

Borno state: all figures

Cite this page

ConflictStats. Borno state, Nigeria: events and estimated deaths in September 2026. https://conflictstats.com/country/nigeria/borno-state/month/2026-09/. 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.