A & B) The Home Office collects and publishes information annually on the outcome of misconduct proceedings and criminal investigations involving police officers, including the number of officers that have been dismissed following proceedings. However, information on the reason for dismissal is not collected centrally by the Home Office.
The latest data on the outcomes following misconduct proceedings, which covers cases in the year ending March 2019, is available here: https://www.gov.uk/government/statistics/police-workforce-england-and-wales-30-september-2019.
The College of Policing publish data annually relating to those who have been dismissed from policing and placed on the Police Barred List. The most recent data shows that, in the period ending 31 March 2019, 15 officers and 7 members of police staff were dismissed under the category ‘equality and diversity’. This data is available here: https://www.college.police.uk/News/Collegenews/Documents/Barred_List_2019.pdf
Suspension of police officers or police staff is a matter for local forces. The Home Office does not collect or store this data.
C) No NCA officer has been suspended on grounds of racism in the last 3 years. There has been one dismissal of an NCA officer on racism grounds in the last 3 years.
D) Border Force does not hold the data on suspensions on the grounds of racism in the last three years. There has been one dismissal of a Border Force officer on racism grounds in the last three years.