Is there an official GDP-by-department series for Guatemala? Who publishes it?

Yes: the Bank of Guatemala (Banguat) publishes Regional and Departmental Gross Domestic Product (PIBR), a 2013-2024 series covering 8 regions, 22 departments and 17 economic activities (2024 figures preliminary),… with an annual report (the 2024 edition is dated April 2026),… XLSX tables by region and department,… and an interactive digital dashboard presented on 22 January 2026 that covers 2013-2023 and was produced with technical support from the UN Economic Commission for Latin America and the Caribbean (ECLAC).