Monthly report from UCDP event data for Sumy oblast, Ukraine. Country-wide report: Ukraine, October 2025.
57events65 the month before
103est. deathsrange 103–132
10civilian deaths
In October 2025, UCDP recorded 57 organized-violence events in Sumy oblast, Ukraine, with 103 estimated deaths. That is -12% compared with 65 events the month before. The death toll range is 103 to 132.
100% of the month's events were state-based armed conflict. Civilian deaths: 10.
The most active pairing was Government of Russia (Soviet Union) - Government of Ukraine with 57 events.
Where events happened
Recorded organized-violence events in Sumy oblast, October 2025. Circle size scales with estimated deaths.State-based Non-state One-sidedOutlines: Natural Earth.
Deadliest events, October 2025
Date
Where
Parties
Est. deaths
31 Oct 2025
Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
29 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
29 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
26 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
26 Oct 2025
Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
25 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
25 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
24 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
23 Oct 2025
Sumy oblast
Government of Russia vs Government of Ukraine State-based
2
21 Oct 2025
Sumy raion Sumy oblast
Government of Russia vs Government of Ukraine State-based