It depends on the time frame in question. There have always been less than two percent of the population that are Jewish. Exact figures are unobtainable. Answer Approximately 14 million people...
Nobody will ever know the real number, because a lot of these heroes have been lost to history. They hid people in attics, cellars, and in spaces between walls. They smuggled people out of countries...
There are approximately 12-18 million Jews living in the world today, compared to 6.7 billion non-jews in the world. 41% of Jews in the world are living in Israel. To answer the question: Whatever...