Nationally, 63% of respondents did not know 6 million Jews were murdered during the Holocaust, and more than one in three (36%) thought 2 million or fewer had been killed.

Eleven per cent of respondents across the US believed that Jews had caused the Holocaust, with the proportion in New York state at 19%, followed by 16% in Louisiana, Tennessee and Montana, and 15% in Arizona, Connecticut, Georgia, Nevada and New Mexico.

Nationally, 44% of those questioned were able to identify Auschwitz-Birkenau, and only 3% were familiar with Bergen-Belsen. Six out of 10 respondents in Texas could not name a single concentration camp or ghetto.