Many are the ordinary societal and economic insecurities that affect contemporary life. There is the danger, the real global security threat: when the conservatives gradually become extremist, the politics of exclusion will utter all of their angers and fears and insecurities towards the perceived "external enemy", those who have been blamed for being the sources of vulnerabilities – the migrants, but also the most general external context of influence, as it happened for the EU in the case of the UK Brexit vote in 2016. This chapter explains the concept "biological racism" that describes the situation in which some persons consider that those who have distinct physical elements. Differentiating between manifold forms of racism and prejudice can be intricate but is, indeed, key for developing appropriate countermeasures. Considering the diverse forms of prejudice that the 21 European countries present, specific concerns emerge, which need targeted measures.