A massive security breach has exposed what Moscow has desperately tried to conceal: official data from the Federal State Statistics Service indicate that more than 450,000 Russian soldiers had died by the end of August. The figure, corroborated by independent analysts, points to a demographic catastrophe, with a staggering average of 100,000 deaths a year.

(Editorial desk: Russia, Ukraine & Germany / War & Cybersecurity)

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The war in Ukraine is being fought not only on the battlefield, but also in cyberspace and in the struggle to control information. Since the invasion began, the Kremlin has imposed strict censorship on military losses, acknowledging only a tiny fraction of the actual death toll. A hacking operation has now forcefully broken through that wall of silence.

According to Russian economy expert Janis Kluge, a group of hackers published confidential data from Rosstat, Russia’s Federal State Statistics Service, concerning Russian soldiers killed in the war. This is not simply an estimate by Western intelligence agencies, but an alleged leak from within the Russian state’s own bureaucratic apparatus.

The convergence of hacker data, independent journalism and international observers seriously undermines the Kremlin’s narrative that the military operation is proceeding according to plan and that losses are minimal. Western intelligence agencies also estimate that Russian losses, including both the dead and the severely wounded who are permanently unfit for service, amount to hundreds of thousands of people.

The figures revealed: 450,100 dead

The leaked data indicate that by the end of August the total number of Russian military personnel killed in Ukraine had reached 450,100. To put that figure into perspective, since the start of the full-scale war it represents an average of approximately 100,000 deaths a year.

Demographic and political impact

This is an exceptionally grave figure, far exceeding the total losses suffered by the Red Army during all ten years of the war in Afghanistan. The reported origin of the data, Rosstat, is particularly significant. Although the agency does not officially handle military records, it centralises death certificates and demographic data nationwide. The hackers reportedly extracted not only an overall total, but also an extremely detailed regional breakdown.

The map of death: who is paying the highest price?

Such a devastating loss of young lives will have long-term consequences for Russia. Beyond the suffering of families, the country faces an accelerating demographic crisis, acute labour shortages in certain sectors and an entire generation of young people marked by the trauma of war.

The regional breakdown offers a disturbing window into Russia’s social reality. Although the Kremlin avoids discussing the issue, the data generally point to a clear pattern: major cities such as Moscow and St Petersburg, home to the political and economic elite, are relatively shielded from mass mobilisation. Poor, remote regions — including Buryatia, Tuva and parts of the Caucasus — along with rural areas, bear the heaviest human cost.

With few economic opportunities, these regions have been an important source of recruits. Some have been attracted by the high salaries offered by the military; others have faced pressure from aggressive recruitment campaigns. The war is thus becoming a machine that destroys not only lives, but entire communities in Russia’s forgotten provinces.

Politically, the data leak puts pressure on Vladimir Putin’s administration. Although domestic censorship is highly effective, the truth about the scale of the human catastrophe is increasingly finding its way through cracks in the system, fuelling discontent and fear among the population.

Independent estimates lend support

The leak appears even more credible because the figures closely match independent investigations conducted inside Russia. Outlets such as Mediazona, in cooperation with BBC Russian, and Meduza have tracked obituaries, graves and local reports since the beginning of the war. Their estimates have consistently documented tens of thousands of deaths; extrapolating those findings produces a total consistent with the 450,100 victims cited in the alleged Rosstat leak.