Sumy oblast, Ukraine: conflict statistics

UCDP recorded 383 organized-violence events in Sumy oblast between 1 Aug 2025 and 31 Jul 2026, with an estimated 791 deaths (range 719 to 1,395).

Broadly stable. Events in the last 90 days (58) were within 20% of the preceding 90 days (53).

The parties recorded in the most events over the last 12 months were Government of Russia (383 events), Government of Ukraine (383 events).

UCDP classes events as state-based armed conflict, non-state conflict, or one-sided violence against civilians. In Sumy oblast, 100% of events over the last 12 months were state-based armed conflict.

Event counts and death estimates come from the Uppsala Conflict Data Program (UCDP) Georeferenced Event Dataset and its monthly Candidate Events releases, published under CC BY 4.0. Figures use UCDP's "best" fatality estimate. Data on this page runs through 31 Jul 2026.