Among the Permanent members of UN Security Council, which country used the maximum number of veto power from 1945-2018?

USSR/Russia

The correct answer is Option 2- USSR/Russia

USSR/Russia used the maximum number of veto power from 1945-2018.

Use of Veto power by permanent members (upto 1 June 2018):

Russia: 135
USA: 84
UK: 32
France: 18
China: 11