Korea ranked first in the world in terms of competitiveness in information and communications technology for the fourth year running.
It topped a list of 157 countries surveyed for the ICT Development Index for 2013 by the International Telecommunication Union, a UN agency that sets electrical and communications standards.
The index is calculated based on ICT access, use and skills.
Korea was followed by Sweden, Iceland, Denmark, and Finland. Hong Kong (10th) was the only other Asian country in the top 10, while Japan (12th), Macau (14th) and Singapore (15th) were in the top 20.