Project-level data on foreign aid from the OECD creditor reporting system includes a categorical measure of the degree to which a project targets the goal of gender equality. In this paper, we study the cross-country variation in whether projects are assessed for this metric and, if so, to what degree they are marked as targeting gender. We argue that new aid donors may assess their projects for the gender marker more consistently than traditional donors, as a way to signal their commitment to transparency and responsible aid data collection to the international community. Preliminary analyses support this argument: we find that new donors assess a higher proportion of their aid flows (both in terms of project count and committed amounts), whether or not they are marking the projects as targeting gender. Across the traditional donors, we find greater variation in marking behavior but a more inconsistent assessment––in other words, traditional donors tend to assess only the projects that they mark as targeting gender. Finally, we explore the variations between target sectors and recipient countries.