How many attacks or clashes involved Hamas in the last 12 months?

UCDP recorded 1,435 organized-violence events involving Hamas between 1 Aug 2025 and 31 Jul 2026, with 5,396 estimated deaths.

Where is Hamas active?

Events in the last 12 months were recorded in Israel and Palestine (1,429), Lebanon (6).

Actors › Hamas

Hamas

Organized-violence events involving Hamas, as recorded by UCDP. Data through 31 Jul 2026.

86events, last 30 days

216events, last 90 days▲ +20% vs prior 90 days

1,435events, last 12 months

5,396est. deaths, last 12 monthsrange 5,266–5,912, 903 civilians

Hamas was a party to 1,435 organized-violence events recorded by UCDP in the 12 months to 31 Jul 2026, with 5,396 estimated deaths in those events. Activity was recorded in Israel and Palestine (1,429), Lebanon (6).

In the last 90 days, 216 events involved Hamas, up +20% on the preceding 90 days (180).

Most frequent opposing parties: Government of Israel (1,431 events), The Popular Forces (3 events).

Where Hamas was active, last 12 months

Recorded events involving Hamas, 1 Aug 2025 to 31 Jul 2026. Circle size scales with estimated deaths.State-based Non-state One-sidedOutlines: Natural Earth.

Monthly trend

Events involving Hamas per month, last 24 months

Countries

Country	Events, 12m	Est. deaths
Israel and Palestine	1,429	5,386
Lebanon	6	10

Most active areas

Region	Events, 12m
Gaza Strip Israel and Palestine	1,394
West Bank Israel and Palestine	32
South Lebanon province Lebanon	3
Central district Israel and Palestine	1
Beirut province Lebanon	1
North Lebanon province Lebanon	1

Opposing parties, last 12 months

Party	Events	Est. deaths in those events
Government of Israel	1,431	5,391
The Popular Forces	3	4

Type of violence, last 12 months

Category	Events	Share
State-based armed conflict	1,431	100%
Non-state conflict	3	0%
One-sided violence against civilians	1	0%

Deadliest events involving Hamas, last 90 days

Date	Country	Where	Parties	Est. deaths
30 Jun 2026	Israel and Palestine	Gaza Strip	Government of Israel vs Hamas State-based	18
22 Jul 2026	Israel and Palestine	Gaza Strip	Government of Israel vs Hamas State-based	14
27 May 2026	Israel and Palestine	Gaza governorate Gaza Strip	Government of Israel vs Hamas State-based, 8 civilian, 6 sources	10
17 Jul 2026	Israel and Palestine	Deir al-Balah governorate Gaza Strip	Government of Israel vs Hamas State-based, 5 sources	8
23 May 2026	Israel and Palestine	Gaza governorate Gaza Strip	Government of Israel vs Hamas State-based, 1 civilian, 11 sources	8
14 Jul 2026	Israel and Palestine	Gaza ash Shamaliyah governorate Gaza Strip	Government of Israel vs Hamas State-based, 1 civilian, 7 sources	7 7–8
21 Jul 2026	Israel and Palestine	Gaza governorate Gaza Strip	Government of Israel vs Hamas State-based, 5 civilian, 5 sources	6
26 May 2026	Israel and Palestine	Gaza governorate Gaza Strip	Government of Israel vs Hamas State-based, 4 civilian, 14 sources	6
18 Jul 2026	Israel and Palestine	Gaza governorate Gaza Strip	Government of Israel vs Hamas State-based, 3 civilian, 5 sources	5
13 Jul 2026	Israel and Palestine	Gaza Strip	Government of Israel vs Hamas State-based	5

Actor names follow UCDP coding. "Government of X" covers state forces including police and allied militias where UCDP codes them under the state. See methodology.