Gabon’s 2026 census data under constitutional review in Libreville

On Tuesday, July 14, 2026, in Libreville, Vice-President of the Government Hermann Immongault officially handed over the provisional report of the General Population and Housing Census (GPHC) to Dieudonné Aba’a Owono, President of the Constitutional Court. This formal transfer, mandated by the High Court, marks the beginning of the regulatory phase for validating the nation’s demographic statistics.

The significance of this handover extends beyond administrative procedure. According to Hermann Immongault, this step is critical to certifying Gabon’s official population figures before they can be used for vital national initiatives.

These newly compiled figures will serve as the backbone for major state projects. They will enable adjustments to the registry of Gabon’s economically disadvantaged citizens, redefine the boundaries of electoral constituencies, and update the national voter roll with the most current data available.

Estuaire Province emerges as Gabon’s most populous region

Early findings from this comprehensive nationwide survey highlight key trends in population distribution. Preliminary data confirms the long-standing trend of the Estuaire Province leading in population density, followed closely by Ogooué-Maritime and Haut-Ogooué.

For policymakers, these geographic indicators are essential for shaping future territorial development strategies. They will help prioritize infrastructure investments where demand is highest, ensuring resources are allocated efficiently to meet public needs.

The Constitutional Court ensures accuracy and transparency

The Constitutional Court is not merely performing a routine validation. To verify the reliability and compliance of the census data, the High Court plans to conduct detailed hearings with officials from the Ministry of Planning. These sessions will focus on clarifying the methodology used to ensure adherence to national standards.

Additionally, under the leadership of President Dieudonné Aba’a Owono, the Court will deploy sworn delegates across all Gabonese provinces. These field agents will conduct direct consultations with local authorities and residents to rigorously cross-check the accuracy of the census results against legal requirements. This hands-on verification process aims to uphold the credibility of what is set to become the country’s most trusted demographic record.