The true number is clearly much higher. Military experts estimate our number may cover between 45% and 65% of deaths, which would mean 164,223 to 237,211 people.
The train was going from the town of Klimovo to Moscow and was in the Vygonichsky district when the collapse happened, officials said.
The BBC Russian Service, in collaboration with independent media outlet Mediazona and a team of volunteers, has processed open source data from Russian cemeteries, military memorials and obituaries.