The diversity of human beings is obvious and clear. However, there is no biological justification for categorising the Homo sapiens species into races. Molecular biological studies in particular have shown that the genetic differences between human populations are negligible. Greater differences can be found between individuals within populations No human population is genetically uniform. The patterns of variability span the continents.

In 1995, a group of experts in Stadtschlaining (Austria) formulated a corresponding declaration on the question of race on behalf of UNESCO:

Statement of the Scientific Workshopof the UNESCO Conference"Against Racism, Violence and Discrimination" on 8 and 9 June 1995 on the concept of "race".

Statement of the Scientific Workshop of the UNESCO-Conference "Against Racism, Violence, and Discrimination", June 8th and 9th 1995 on "Race".