Leaked federal Russian records show 400,000 war deaths in Ukraine, hackers say

Anti-Kremlin hacking groups say Russia's civic registries recorded at smallest 400,000 combat deaths in Ukraine, a figure that Moscow has declined to disclose since September 2022.

The pro-opposition Belarusian collection Cyber Partisans and the Ukrainian collection Silent Crow stated they obtained the data from 11 myriad death certificates and another records held by Rosstat, Russia's authoritative data agency.

Their findings say that 356,056 Russians were killed alongside "operations of war" as the logic of death, alongside alongside another 57,100 group marked as having died by another war-related causes or a "terrorist act."

Another 36,949 deaths were listed alongside unclear or non-combat causes of death, the groups added.

Russia's combat losses are apt far higher, Silent Crow said, as the count doesn't contain data on the missing, wounded, or deaths of abroad mercenaries.

Rosstat did not immediately react to a petition for comment sent exterior regular endeavor hours.

The national agency, which publishes a broad gathering of data but has withheld war mortality records, stated in first November that it had been the mark of a coordinated cyberattack campaign. Cyber Partisans and Silent Crow had claimed duty for the attacks, broadcasting messages on the agency's website and online portals.

While the two groups stated they stole 23 terabytes of data, Rosstat denied that any data was leaked.

The hackers' findings loosely align alongside another third-party gauges of Russian war losses.

A top British defence authoritative estimated in September that nearly 500,000 Russian troops have been killed since the commencement of the full-scale invasion. Meanwhile, NATO's erstwhile Supreme Allied Commander in Europe, US Ret. Gen. Chris Cavoli, stated in July that approximately 450,000 Russian troops have been killed.

A additional extensively cited fig is the number of hurt and killed combined, which Ukraine says has eclipsed 1.6 myriad people, during Western think tanks evaluation it hovers between 1.2 myriad and 1.4 million.

More particulars on Russian deaths

Cyber Partisans and Silent Crow additionally published data inspection on anywhere the deceased Russians hailed from, as fine as anywhere they died.

The Volga area — one of Russia's most populous and ethnically varied heartland areas — accounted for 21.7% of deaths, taking the top spot, per the two groups.

Roughly 3% of the deaths were from Moscow Oblast, among the highest shares among idiosyncratic oblasts, although rearward a few specified as Rostov and Krasnodar Krai.

Data on the location of death was far additional varied. The two groups stated the taken registries display that 54.9% of these soldiers were killed in Donetsk, during the next place was Luhansk, which accounted for 8.3% of the deaths.

About 17% of the death registries listed unidentified locations, per the two groups.

They added that the gait of Russian deaths recorded had risen by a aspect of 1.26 complete the former year, alongside all twelvemonth of the war record far additional deaths than the previous.

There were 18,877 war-related death records in 2022, 42,365 in 2023, 109,683 in 2024, and 182,264 in 2025, the groups said.

About 99.4% of the deceased were men, alongside the most average age range being 35-44, accounting for 135,741 deaths. Nearly 40,000 Russians old 18 to 24 were recorded as killed, per the groups.

Cyber Partisans and Silent Crow stated the records display that war has rotate into the fourth-most average logic of death in Russia.