Seventy years after the liberation of Auschwitz, two-thirds of the world's population don't know the Holocaust happened—or they deny it…

The Middle East and North Africa had the largest percentage of doubters, with only 8 percent of respondents reporting that they had heard of the genocide and believed descriptions of it were accurate. But only 12 percent of respondents in sub-Saharan Africa said the same, and only 23 percent in Asia. People in these groups were likely to say they believed the number of deaths has been exaggerated—just over half of Middle Easterners and a third of Asians and Africans think the body count has been distorted over time…

In almost every religious group, people younger than 65 were much more likely to say they believe that facts about the Holocaust have been distorted, and they were less likely to know what the Holocaust is.