It is impossible to say because individuals who were awarded the Victoria Cross are NOT identified by their nationality or place of birth, only their branch of service, and their unit at the time of their act of bravery.
Some might expect that since the Irish Free State was NEUTRAL during WW2, NONE were awarded.
However, 4 Irish from independent Ireland won the award in the second World War.
1 from Northern...
Since you did not indicate which country of military service you wanted to know about I can tell you there were many thousands of awards given out by all the military forces.
In WW2 over 100 million military personnel were mobilised with even more serving and over 24,000,000 giving their lives. The civilian casualty's are far greater mounting up at over 49,000,000. This...