Abstract

Trafficking in Human Beings is a complex phenomenon, frequently biased by misconceptions about the definition and difficult to detect due to the underground nature of its activities. These circumstances obstruct the process of assesing the extent of the phenomenon in a country, affecting the decision-making process of anti-trafficking policies. The object of this article is to analyse the available data about trafficking in human beings in the case of Spain, including data provide by official sources and the dark figure approach. Following the analysis of the data the difficulties are exposed, regarding the content and the concept in the Spanish case. Conclusions present doubts about the existence of a data collection system of trafficking in human beings in Spain before 2015. Conclusions present/cast doubts about the very existence of a data collection system of trafficking in human beings in Spain until/before 2015. _Received_ : 12 June 2019 _Accepted_ : 10 September 2019 _Published online_ : 20 December 2019