The five main themes of Equipment, Administration, Transport, Citizenship and Environment have been on the podium for several years.
This is due to an insistent public demand (transparency), to laws that prioritize a particular field (public order observatory) and to major national programs to accelerate the opening of data (Local Address Base, Transport, Urban Planning).
It should be noted that the absence of a single national thematic repository (no treasury) makes it difficult to discover data by thematic entry (for example, data on public transport may be identified here as "Mobility" or there as "Transport").
