// CITY_ASSESSMENT
How smart is Yokohama?
Yokohama scores 23.7% against the UN ISO-aligned smart city framework in 2026 — ranked #329 of 386 cities assessed, with every finding traceable to a public source.
Smart score
23.7%
Rank
#329 / 386
Criteria present
16 / 86
Evidence coverage
30.2%
Yokohama's smart city score by area
6 present · 3 partial · 3 absent · 3 not assessed
1 present · 2 partial · 0 absent · 9 not assessed
1 present · 0 partial · 0 absent · 12 not assessed
0 present · 1 partial · 0 absent · 10 not assessed
5 present · 1 partial · 0 absent · 7 not assessed
3 present · 1 partial · 1 absent · 3 not assessed
0 present · 2 partial · 0 absent · 12 not assessed
Where Yokohama is strong
- ▸Culture, Tourism & Recreation
- ▸Urban Data Platform & Digital Twin
- ▸Open Data & Transparency
- ▸Inclusion & Civic Participation
- ▸Public Safety & Emergency
Where the gaps are
- ▸Smart Traffic & Electric Vehicles
- ▸Governance & Smart-City Operating Model
- ▸Housing & Urban Planning
- ▸Health & Digital Health
- ▸Climate Adaptation & Heat
Evidence highlights
Urban Data Platform & Digital Twin · 3D digital twin / city model
Yokohama City has a 3D city model as part of Project PLATEAU, a nationwide initiative by the Ministry of Land, Infrastructure, Transport and Tourism to develop and open-source 3D city models, which are explicitly referred to as urban digital twins used for …
https://www.mlit.go.jp/plateau/Urban Data Platform & Digital Twin · Integrated urban data platform
Yokohama's 3D city model, developed under Project PLATEAU, functions as an urban spatial information platform where various urban activity data, such as building names, uses, and construction years, are integrated to enable advanced urban planning, simulati…
https://www.mlit.go.jp/plateau/Green Space & Biodiversity · Green space provision
Yokohama City, specifically Nishi Ward, provides open data including images of parks within the ward, indicating the presence of public green spaces.
https://data.city.yokohama.lg.jp/dataset/nishi_opendataEducation & Digital Skills · Education provision data
Yokohama publishes a statistical report that includes a chapter dedicated to education and culture, indicating the availability of education provision data.
https://www.city.yokohama.lg.jp/city-info/yokohamashi/tokei-chosa/portal/tokeisho/16.htmlAbout this assessment
Yokohama was assessed against the 86 criteria of the UN ISO-aligned smart city framework on 2026-07-11 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. Scores refresh continuously as cities publish new evidence.