Do humanitarian workers really trust numbers? In the realm of the DATAWAR
research project, this article aims to investigate the interest that
humanitarian workers have developed towards quantitative data in the last two
decades. The ‘needology’ approach (Glasman, 2020), growing expectations of donors since
the 2000s, and the professionalisation and rationalisation of the humanitarian
field are all factors that have contributed to the massive use of quantitative
data. Discourses promoting ‘evidence-based humanitarianism’ have
fostered massive hope in the humanitarian community: a good use of quantitative
data could enhance contextual analyses, intervention monitoring or even the
safety and security of humanitarian workers. However, this study has discovered
that these narratives overestimate the ease with which humanitarian workers deal
with numbers. In fact, it shows that the use of quantitative data is mainly
determined by a specific, restrictive, hierarchically oriented evidence-based
system which nurtures bottom-up accountability rather than day-to-day project
management. As a result, the datafication of the humanitarian field does not
seem to have been accompanied by an improvement of the data literacy of
humanitarian workers.