// CITY_ASSESSMENT
How smart is Seoul?
Seoul scores 48.9% against the UN ISO-aligned smart city framework in 2026 — ranked #79 of 213 cities assessed, with every finding traceable to a public source.
Smart score
48.9%
Rank
#79 / 213
Criteria present
31 / 86
Evidence coverage
59.3%
Seoul's smart city score by area
7 present · 2 partial · 1 absent · 5 not assessed
6 present · 4 partial · 0 absent · 2 not assessed
7 present · 2 partial · 0 absent · 4 not assessed
2 present · 3 partial · 0 absent · 6 not assessed
4 present · 3 partial · 1 absent · 5 not assessed
4 present · 1 partial · 1 absent · 2 not assessed
1 present · 5 partial · 0 absent · 8 not assessed
Where Seoul is strong
- ▸Urban Data Platform & Digital Twin
- ▸Air Quality & Monitoring
- ▸Green Space & Biodiversity
- ▸Public Transport & Real-Time Information
- ▸Innovation & Economic Development
Where the gaps are
- ▸Climate Action & Emissions
- ▸Inclusion & Civic Participation
- ▸Critical Infrastructure Resilience
- ▸Climate Adaptation & Heat
- ▸Digital Government Services
Evidence highlights
Open Data & Transparency · Official open data portal
Seoul operates an official open data portal called 'Seoul Open Data Plaza' (서울 열린데이터광장) which lists public data and usage status across various categories.
https://data.seoul.go.krOpen Data & Transparency · High-value datasets published
The Seoul Open Data Plaza publishes high-value datasets, including categories for '교통' (transportation) with 572 datasets and '환경' (environment) with 606 datasets.
https://data.seoul.go.krOpen Data & Transparency · Programmatic API access
The Seoul Open Data Plaza provides programmatic API access, explicitly listing 'OpenAPI 5,621' and indicating 'OPEN API' availability for many of its latest datasets.
https://data.seoul.go.krUrban Data Platform & Digital Twin · Live city data dashboard
Seoul operates the 'Smart Seoul View' which provides 'Real-time city status' for indicators such as traffic, weather, water supply, and real estate trends. Additionally, the 'Seoul Traffic Information System (TOPIS)' offers real-time traffic data including …
https://topis.seoul.go.krAbout this assessment
Seoul was assessed against the 86 criteria of the UN ISO-aligned smart city framework on 2026-07-06 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.