City assessment
How smart is Yokohama?
Yokohama scores 49.6% against the ISO 37120-series aligned smart city framework in 2026, ranked #257 of 386 by smart reach and #280 on the evidence alone, with every finding traceable to a public source.
Each criterion counts in full where the evidence shows it present, half where partial and nothing where absent, weighted by its category. 30 of 86 are not yet assessed and count as nothing until a finding is made either way. Last assessed 19 Oct 2026.
Smart reach rank
#257 / 386
Smart score
49.6%
Evidenced rank
#280 / 387
Criteria present
36 / 86
Evidence coverage
58.1%
Yokohama's smart city score by area
8 present · 4 partial · 0 absent · 3 not yet assessed
6 present · 0 partial · 2 absent · 4 not yet assessed
5 present · 3 partial · 1 absent · 4 not yet assessed
2 present · 2 partial · 0 absent · 7 not yet assessed
9 present · 1 partial · 2 absent · 1 not yet assessed
3 present · 1 partial · 0 absent · 4 not yet assessed
3 present · 3 partial · 1 absent · 7 not yet assessed
Where Yokohama is strong
- ▸Education & Digital Skills
- ▸Culture, Tourism & Recreation
- ▸Open Data & Transparency
- ▸Urban Data Platform & Digital Twin
- ▸Health & Digital Health
Where the evidence shows gaps
- ▸Public Transport & Real-Time Information · 2 absent
- ▸Climate Adaptation & Heat · 1 absent, 1 partial
- ▸Green Space & Biodiversity · 1 absent
- ▸Inclusion & Civic Participation · 1 absent
- ▸Air Quality & Monitoring · 2 partial
Not yet assessed
30 of 86 criteria have no finding yet, either way. They count as nothing in the score until one is made, and they are not gaps.
- Water & Sanitation4 of 4
- Active & Shared Mobility3 of 4
- Connectivity & ICT Infrastructure3 of 4
- Critical Infrastructure Resilience3 of 3
- Innovation & Economic Development3 of 4
- Climate Action & Emissions2 of 3
- Disaster Risk & Resilience2 of 4
- Governance & Smart-City Operating Model2 of 4
- Housing & Urban Planning2 of 3
- Air Quality & Monitoring1 of 3
- Energy & Smart Grid1 of 4
- Food Security & Urban Agriculture1 of 2
- Public Safety & Emergency1 of 4
- Smart Traffic & Electric Vehicles1 of 4
- Solid Waste & Circular Economy1 of 4
Evidence highlights
Digital Government Services · Digital identity / single sign-on
The Yokohama City website provides information about 'My Number Card / Electronic Certificate' (マイナンバーカード・電子証明書), indicating the availability of a digital identity for residents.
https://www.city.yokohama.lg.jp/kurashi/koseki-zei-hoken/todokede/koseki-juminhyo/mynumber/Digital Government Services · Online payments for taxes & fees
The eLTAX Local Tax Portal System (地方税ポータルシステム) is described as an electronic comprehensive window for local taxes, implying that local taxes can be paid online.
https://www.lta.go.jp/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/Public Transport & Real-Time Information · Public transport network
Yokohama, as a major destination in Japan, utilizes the Suica IC card for public transportation, which works across trains and buses, indicating the presence of a public transport network.
https://www.jreast.co.jp/en/multi/suica/About this assessment
Yokohama was assessed against the 86 criteria of the ISO 37120-series aligned smart city framework on 19 Oct 2026 by AI agents gathering evidence from official public sources. Each criterion is marked present, partial or absent, or left not yet assessed, and every finding links to where it was found. Cities are re-assessed in runs, not continuously: the latest finished on 24 Oct 2026.