December 2025 — War Report
Day-by-day breakdown of military events, casualties, and key developments in December 2025.
Monthly Overview
In December 2025, 2,635 conflict events were documented across Ukraine, affecting 15 regions — a very high level of activity. Kherson recorded the highest concentration of incidents with 442 events (17% of the monthly total). Ground battles was the most prevalent category with 687 recorded incidents. Reported fatalities for the month totalled 18,356, an average of 85 events per day.
- ▸2,635 total conflict events in December 2025
- ▸18,356 reported fatalities
- ▸15 Ukrainian regions affected
- ▸Most affected region: Kherson (442 events)
- ▸Event breakdown: Battles: 687; Strategic developments: 669; Explosions/Remote violence: 647
- ▸Average activity: 85 events per day
Total Events
2,635
Fatalities
18,356
Regions Affected
1
Avg Events/Day
85
Event Types
Daily Reports
Mon
1
86 events
548 casualties
Tue
2
80 events
520 casualties
Wed
3
95 events
623 casualties
Thu
4
103 events
789 casualties
Fri
5
75 events
488 casualties
Sat
6
90 events
730 casualties
Sun
7
95 events
627 casualties
Mon
8
76 events
488 casualties
Tue
9
82 events
447 casualties
Wed
10
67 events
445 casualties
Thu
11
88 events
556 casualties
Fri
12
90 events
586 casualties
Sat
13
72 events
510 casualties
Sun
14
74 events
504 casualties
Mon
15
100 events
813 casualties
Tue
16
56 events
439 casualties
Wed
17
98 events
608 casualties
Thu
18
101 events
752 casualties
Fri
19
84 events
649 casualties
Sat
20
77 events
598 casualties
Sun
21
58 events
449 casualties
Mon
22
101 events
714 casualties
Tue
23
57 events
405 casualties
Wed
24
81 events
557 casualties
Thu
25
104 events
668 casualties
Fri
26
97 events
691 casualties
Sat
27
79 events
606 casualties
Sun
28
103 events
778 casualties
Mon
29
102 events
585 casualties
Tue
30
66 events
448 casualties
Wed
31
98 events
735 casualties