NationsTree.org — open data export
Data as of: 2026-10-26 · period 1990–2025 · index v0.9

All indicator values come from official statistics published by public institutions
(World Bank World Development Indicators and Worldwide Governance Indicators, which compile
data from UN agencies, the IMF, WHO, national statistical offices and other bodies).
Each file names its source series and licence. Country identifiers, capitals and founding
years come from Wikidata (CC0).

Please cite: NationsTree (2026). Open data export, https://nationstree.org/open-data, accessed <date>.
Original sources must also be credited as listed in catalog.json.

Files: countries.csv · catalog.json · nationstree_index.csv.gz · observations_all.csv.gz · indicators/<code>.csv.gz