Every ethical theory implies a set of assumptions about human nature related to historically var-iable conditions of human practice. In the following paper, I focus on a set of such explicit and implicit assumptions about human beings in a new area of ethics, which has come to be known as “population ethics”. Dating back to 1970s, this subdiscipline of ethics concerns itself with moral dilemmas involved in creating people understood as influencing their existence, number and/or identity. This concerns the problem of responsibility for future generations as well as diverse problems of governing present day human populations. Through analysis of the two main opposing standpoints in this field – those of Derek Parfit’s “impersonalism” and of D...