Data source · Academic research · Model & reconstruction

Penn World Table — Groningen Growth and Development Centre with the University of California, Davis

Headquarters: Groningen
Founded: Originated at the University of Pennsylvania; taken over from version 8 (2013) by UC Davis and Groningen
Funding: Supported by the STEG project, a research initiative funded by the UK Foreign, Commonwealth and Development Office. The version-8 redesign was supported by grants from the National Science Foundation and the Sloan Foundation. Both host universities are public.
Governance: Maintained by named academics — Robert Feenstra at UC Davis, Robert Inklaar and Marcel Timmer at Groningen.
Published: Multi-year releases; version 11.0 arrived in October 2025 with 185 countries, 1950–2023.
Licence: Creative Commons Attribution 4.0 International (CC BY 4.0).