// CITY_ASSESSMENT
How smart is Tokyo?
Tokyo scores 85.5% against the DC20 smart city framework in 2026 — ranked #15 of 213 cities assessed, with every finding traceable to a public source.
Smart score
85.5%
Rank
#15 / 213
Criteria present
66 / 82
Evidence coverage
90.2%
Tokyo's smart city score by area
17 present · 3 partial · 0 absent · 1 not assessed
13 present · 0 partial · 0 absent · 3 not assessed
14 present · 2 partial · 0 absent · 1 not assessed
14 present · 3 partial · 1 absent · 2 not assessed
8 present · 0 partial · 0 absent
Where Tokyo is strong
- ▸City Data Platform / Urban Data Exchange
- ▸Digital Twin
- ▸Real-time Public Transit Intelligence
- ▸Air-Quality & Climate Monitoring
- ▸Resilience & Climate Adaptation
Where the gaps are
- ▸Public Safety & Emergency Response
Evidence highlights
Open Data by Default · Open licensing & terms
The Tokyo Open Data Portal has a dedicated page for its terms of use, which would contain information on data licensing and reuse.
https://portal.data.metro.tokyo.lg.jp/term/City Data Platform / Urban Data Exchange · Operational dashboards / city ops center
Tokyo has developed a public-facing 3D digital twin viewer. This tool serves as a sophisticated, interactive dashboard for visualizing city data and simulations.
https://www.smart-tokyo.metro.tokyo.lg.jp/en/initiatives/digital-twinPervasive IoT Sensing · Public real-time sensor feeds
Tokyo provides a public real-time rain radar feed through its Tokyo Amesh system, operated by the Bureau of Sewerage. The city also maintains official data portals that likely offer public access to various data feeds.
https://www.data.metro.tokyo.lg.jp/Real-time Public Transit Intelligence · Open transit data
Tokyo provides open transit data through the Tokyo Metropolitan Government Open Data Portal and the Open Data Platform for Transportation (ODPT), which includes a developer portal and uses a CKAN platform.
https://portal.data.metro.tokyo.lg.jp/About this assessment
Tokyo was assessed against the 82 criteria of the DC20 smart city framework on 2026-06-26 by AI agents gathering evidence from official public sources. Each criterion is marked present, partial or absent, and every finding links to where it was found — see how smart cities are measured. Scores refresh continuously as cities publish new evidence.