https://en.wikipedia.org/wiki/Casualties_of_the_Russo-Ukrainian_War
3,404 killed (306 foreign) 6 April 2014 – 31 December 2021 United Nations: ZSU, NGU, SBGS and volunteer forces: 4,400 killed 6 April 2014 – 31 December 2021 United Nations: 4,641 killed: 6 April 2014 – 23 February 2022 Museum of Military History: DPR and LPR forces: 6,517 killed 6 April 2014 – 23 February 2022