Tallinn Open Data Portal
This overview was generated with AI from the public sources listed below and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.
How this atlas is made · What “last verified” means · What “source-checked” means
There is no single city licence: each of the roughly 40 databases carries its own licence, update frequency and update history. The portal is separate from Estonia's national one.
what does this mean?
The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →Part of 1001 Smart Cities — 1,167 documented projects · 🏙️ 8 more in Tallinn · 📊 Open data guide · 📡 Data & IoT projects
The City of Tallinn runs its own municipal open-data portal and API at avaandmed.tallinn.ee, publishing datasets drawn from the city's information systems for free reuse. The earliest data date from 2016; by mid-2020 the catalogue held around 40 databases, each carrying its own licence, update frequency and update history. It is distinct from — though mirrored on — Estonia's national open-data portal.
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📎 Cite this project
1001 Smart Cities (2026). “Tallinn Open Data Portal” — Tallinn, Estonia. The Smart City Atlas. https://1001smartcities.org/projects/tallinn-open-data/ (last verified 2026-07-25). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.