Data compiled by the Independent Office for Police Conduct has disclosed that 43 fatalities were examined during the period from 2016/17 through the most recent complete year on record.
The figures indicate that the previous calendar year matched the number recorded in 2018/19, with seven deaths subject to IOPC review in each of those periods.
David Joyce lost his life at Milton Keynes Central railway station on April 1, 2025, following reports that he was carrying both a firearm and a bladed weapon.
Officers instructed him to halt his movements, and when he failed to comply, armed personnel discharged their weapons.
The independent inquiry determined that the force applied met the threshold of necessity.
Later in the same month, the remains of a man aged between 30 and 39 were discovered in Bicester after his arrest on suspicion of terrorism-related offences.
On July 15 of that year, Stephen Friday succumbed to his injuries while receiving hospital treatment after being discovered unconscious on Banbury Road in Bicester.
Approximately three hours beforehand, at 1.30am, the 50-year-old had been subjected to a stop-and-search procedure by Thames Valley Police officers.
Subsequent inquest proceedings established that he ingested controlled substances during the interaction with law enforcement.
Adam Stanmore, a resident of Oxford, communicated suicidal intentions to police officers during June 2019.
Officers deployed a conducted energy device during their engagement with the 37-year-old.
The subsequent inquest jury determined that the use of the taser fell within acceptable parameters while noting that the broader emergency and mental health response contained areas where intervention could have been improved.
Nuno Cardoso, who was 25 years old, passed away in 2017 following the application of a baton by officers in Oxford during his apprehension.
The individual from north London was detained on suspicion of assault and possession of bladed articles in the vicinity of Ruskin College.
Despite being taken to hospital, he succumbed to his injuries.
The inquest jury established that the officers involved exercised reasonable and proportionate force and that his death resulted from a medical emergency.
Thames Valley Police issued a statement emphasizing that any fatality occurring during or after police involvement is treated with the utmost gravity.
A spokesperson outlined that the force maintains a policy of mandatory referral to the IOPC whenever such incidents arise.
The statement acknowledged that circumstances surrounding these matters differ considerably, as do the prior interactions between deceased individuals and police services.
The force affirmed its backing for independent oversight to guarantee transparency, and where applicable, accountability and institutional learning.