From February 24 to March 26, the Russian troops lost about 16,400 personnel.

The Defense Ministry of Ukraine wrote this on Facebook.

The enemy also lost 575 tanks, 1,640 armored personnel carriers, 293 artillery systems, 91 MLRS, 51 anti-aircraft warfare systems, 117 aircraft, 127 helicopters, 1,131 vehicles, 7 ships/boats, 73 fuel tanks, 56 UAVs of operational and tactical level, 19 special equipment units, and 2 mobile SRBM systems.

Russian forces meeting 'strong and wide' Ukraine resistance | Russia-Ukraine  war News | Al Jazeera

The ministry notes that data is being updated. The calculation is complicated by the high intensity of hostilities.

On February 24, Russian President Vladimir Putin announced the beginning of a full-scale invasion of Ukraine. Russian troops have been shelling and destroying key infrastructure facilities, conducting massive shelling of residential areas of Ukrainian cities and villages using artillery, multiple rocket launchers and ballistic missiles.