// CITY_ASSESSMENT
How smart is Yokohama?
Yokohama scores 14.4% against the UN ISO-aligned smart city framework in 2026 — ranked #342 of 385 cities assessed, with every finding traceable to a public source.
Smart score
14.4%
Rank
#342 / 385
Criteria present
8 / 86
Evidence coverage
20.9%
Yokohama's smart city score by area
3 present · 5 partial · 2 absent · 5 not assessed
0 present · 0 partial · 0 absent · 12 not assessed
1 present · 0 partial · 1 absent · 11 not assessed
0 present · 1 partial · 0 absent · 10 not assessed
2 present · 1 partial · 0 absent · 10 not assessed
2 present · 1 partial · 0 absent · 5 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
- ▸Green Space & Biodiversity
- ▸Inclusion & Civic Participation
Where the gaps are
- ▸Governance & Smart-City Operating Model
- ▸Housing & Urban Planning
- ▸Health & Digital Health
- ▸Climate Adaptation & Heat
- ▸Digital Government Services
Evidence highlights
Open Data & Transparency · Official open data portal
Yokohama City operates an official open data portal, referred to as '横浜市オープンデータポータル' (Yokohama City Open Data Portal), which includes an 'オープンデータカタログ' (Open Data Catalog).
https://data.city.yokohama.lg.jp/Urban Data Platform & Digital Twin · 3D digital twin / city model
Yokohama City has a 3D city model as part of Project PLATEAU, a national initiative by the Ministry of Land, Infrastructure, Transport and Tourism to create urban digital twins across Japan, with data available for Yokohama from 2020 to 2025.
https://www.mlit.go.jp/plateau/Green Space & Biodiversity · Green space provision
Yokohama has several public green spaces and accessible parks, including Yamashita Park, Harbor View Park, and Sankei-en Garden, which are highlighted as tourist attractions where visitors can enjoy seasonal flowers and plants.
https://www.welcome.city.yokohama.jp/spot/Public Safety & Emergency · Open crime / safety data
The City of Yokohama publishes a statistical yearbook that includes a chapter specifically dedicated to "Justice and Public Safety," indicating the availability of crime and safety data.
https://www.city.yokohama.lg.jp/city-info/yokohamashi/tokei-chosa/portal/About 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.