Maddison Project Database 2023

Name: Maddison Project Database 2023
Creator: Groningen Growth and Development Centre, University of Groningen
License: https://creativecommons.org/licenses/by/4.0/

Long-run real GDP per capita and population for 169 countries, sparse estimates from 1 CE and dense coverage 1820-2022. Country-year rows in Excel/Stata; standard source for historical income comparisons.

Source: Groningen Growth and Development Centre, University of Groningen · Domain: economy · Region: global
Coverage: 1–2022 · Grain: country · Reviewed 2023 (editorial year, not the link check)
License: CC BY 4.0 · analysis yes · redistribute yes · AI training likely
Link checked 2026-10-24 (URL reachability, not content quality).

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