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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Rio de Janeiro state, Brazil: events and estimated deaths in October 2025

Monthly report of a regionDataset: UCDP GEDData 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 3 events of organized violence in Rio de Janeiro state, Brazil in October 2025. The best estimate of deaths in these events is 3. UCDP counts 3 of these deaths as deaths of civilians. UCDP recorded no events in September 2025.

The count for October 2024 was 2 events. The change from October 2024 to October 2025 is up 50 percent. Among the 24 months with a report for Rio de Janeiro state, Brazil, October 2025 has the 14th highest count of events. Rio de Janeiro state, Brazil holds 8 percent of the events that UCDP recorded in Brazil in October 2025. In October 2024, the share was 2 percent.

The report of the country for this month: Brazil, October 2025.

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 Brazil has each event.

Table 1. Rio de Janeiro state, October 2025: the events of the month, in the order of their dates
DatePlaceSides, as UCDP writes themType of violenceEstimated deathsLowHigh
27 Oct 2025Rio de Janeiro municipality, Rio de Janeiro stateComando Vermelho; Terceiro Comando PuroNon-state111
27 Oct 2025Rio de Janeiro municipality, Rio de Janeiro stateComando Vermelho; Terceiro Comando PuroNon-state111
31 Oct 2025Rio de Janeiro municipality, Rio de Janeiro stateComando Vermelho; Terceiro Comando PuroNon-state111

Actors, as UCDP names them

Names as UCDP writes them.

Table 2. Rio de Janeiro state: actors, as UCDP names them, in the events of October 2025, in name order
Name, as UCDP writes itEventsEstimated deaths in these events
Comando Vermelho33
Terceiro Comando Puro33

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.

All months

Table 3. Monthly reports of Rio de Janeiro state, newest first: events and estimated deaths
MonthEventsEstimated deathsDataset
September 20267P8PCandidate Events
August 202610P12PCandidate Events
July 20268P15PCandidate Events
June 20269P13PCandidate Events
May 202610P13PCandidate Events
April 20266P9PCandidate Events
March 202613P19PCandidate Events
February 20269P14PCandidate Events
January 202618P19PCandidate Events
December 202524GED
November 202511GED
October 202533GED
August 202511GED
July 202524GED
June 202549GED
May 202523GED
April 202523GED
March 202544GED
February 202511GED
January 202567GED
December 202422GED
November 202445GED
October 202422GED
August 2024210GED

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.

Rio de Janeiro state: all figures

Cite this page

ConflictStats. Rio de Janeiro state, Brazil: events and estimated deaths in October 2025. https://conflictstats.com/country/brazil/rio-de-janeiro-state/month/2025-10/. 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.