// CITY_ASSESSMENT
How smart is Seoul?
Seoul scores 62.4% against the UN ISO-aligned smart city framework in 2026 — ranked #86 of 386 cities assessed, with every finding traceable to a public source.
Smart score
62.4%
Rank
#86 / 386
Criteria present
45 / 86
Evidence coverage
72.1%
Seoul's smart city score by area
8 present · 2 partial · 2 absent · 3 not assessed
8 present · 3 partial · 0 absent · 1 not assessed
8 present · 2 partial · 2 absent · 1 not assessed
3 present · 3 partial · 0 absent · 5 not assessed
8 present · 1 partial · 0 absent · 4 not assessed
5 present · 2 partial · 0 absent · 1 not assessed
5 present · 4 partial · 0 absent · 5 not assessed
Where Seoul is strong
- ▸Urban Data Platform & Digital Twin
- ▸Smart Traffic & Electric Vehicles
- ▸Air Quality & Monitoring
- ▸Green Space & Biodiversity
- ▸Housing & Urban Planning
Where the gaps are
- ▸Climate Action & Emissions
- ▸Connectivity & ICT Infrastructure
- ▸Food Security & Urban Agriculture
- ▸Disaster Risk & Resilience
- ▸Critical Infrastructure Resilience
Evidence highlights
Open Data & Transparency · Official open data portal
Seoul operates an official open data portal called "Seoul Open Data Plaza" (서울 열린데이터광장) which provides public data for Seoul citizens across various categories.
https://data.seoul.go.krOpen Data & Transparency · High-value datasets published
Seoul's Open Data Plaza publishes datasets in categories such as transportation (572 datasets) and environment (606 datasets), which are considered high-value datasets. The national public data portal also lists categories like transportation/logistics, env…
https://data.seoul.go.krOpen Data & Transparency · Programmatic API access
Seoul's Open Data Plaza offers 5,621 datasets via OpenAPI, and the Seoul Transportation Information System (TOPIS) explicitly provides various transportation information through an open API.
https://data.seoul.go.krUrban Data Platform & Digital Twin · Live city data dashboard
Seoul operates TOPIS (Seoul Traffic Information System), which provides real-time traffic information, overall city and downtown speeds, fine dust levels, and details on accidents and controls, accessible via a public interface.
http://topis.seoul.go.kr/About this assessment
Seoul 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.