Although the true figure may never be known, here are estimates:

* 11 million people died.

* 6 million of these were Jewish (close to two thirds of Europe's Jewish population).

* Up to 250,000 were Roma/Sinti (Gypsies).

* 1.5 million were children.

In addition, Hitler targeted homosexuals, communists and other political dissidents, , slavs, Jehovah's Witnesses, dissidents, some Protestant pastors and Catholic priests, black people, the mentally and physically disabled, and others. The figures include the camps as well as the mass graves in the countryside, killings on the street, organized mass shootings (such as Babi Yar, etc.) and basically, any person singled out for their religion, political beliefs, or their sexual orientation.

There are approximately 250 Holocaust museums and centers around the world