More than 400,000 Russians killed fighting in Ukraine war, leaked data suggests

Hacked death records reveal scale of losses since Moscow launched full-scale invasion nearly five years ago

More than 400,000 Russians have been killed fighting in Ukraine since Moscow launched its full-scale invasion nearly five years ago, according to leaked data from the country’s state statistics agency, Rosstat.

The data, obtained by the Belarusian opposition-linked hacker group Cyber Partisans and the Ukrainian hacking collective Silent Crow, contains more than 11 million death certificates, including details of the deceased’s age, place of residence and location of death.

It was later shared with the Guardian and a small group of other outlets.

Of those, according to the groups’ data, 412,576 death certificates explicitly linked the fatalities to the war, either through official cause-of-death codes or written references to combat and military operations.