// CITY_ASSESSMENT
How smart is Seoul?
Seoul scores 87.5% against the DC20 smart city framework in 2026 — ranked #8 of 213 cities assessed, with every finding traceable to a public source.
Smart score
87.5%
Rank
#8 / 213
Criteria present
69 / 82
Evidence coverage
91.5%
Seoul's smart city score by area
16 present · 1 partial · 0 absent · 4 not assessed
13 present · 1 partial · 1 absent · 1 not assessed
16 present · 0 partial · 0 absent · 1 not assessed
16 present · 4 partial · 0 absent
8 present · 0 partial · 0 absent
Where Seoul is strong
- ▸Interoperability & Open Standards
- ▸Smart Traffic & Adaptive Signals
- ▸EV & Active-Travel Infrastructure
- ▸Smart Water & Waste
- ▸Air-Quality & Climate Monitoring
Where the gaps are
- ▸Real-time Public Transit Intelligence
Evidence highlights
Open Data by Default · Official open data portal
Seoul operates an official open data portal, accessible at data.seoul.go.kr, which serves as a public platform for municipal data.
https://data.seoul.go.krOpen Data by Default · Open APIs / programmatic access
The Seoul Open Data Portal provides programmatic access to data through a dedicated section for Open APIs.
https://data.seoul.go.kr/data/Mnu/potal/pbl/openApi/use/openApiUse.doOpen Data by Default · Open licensing & terms
The official Seoul open data portal includes a dedicated page for "use of terms," indicating that clear licensing and reuse terms are provided for its datasets.
https://data.seoul.go.kr/together/guide/useOfTerms.doOpen Data by Default · High-value dataset coverage
Seoul's open data ecosystem includes specific portals for transport information (TOPIS) and water management (Arisu), indicating coverage of high-value datasets. The main data portal at data.seoul.go.kr likely hosts other high-value datasets.
https://data.seoul.go.krAbout this assessment
Seoul 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.