South Korea has ranked at or near the top of global broadband speed tables for years, a result of dense fibre-optic infrastructure built out since the early 2000s. Its combination of high fixed-line and mobile speeds is regularly cited as the fastest, or among the fastest, of any country measured.
Record no. MRB-2026-005679
Fastest Average Internet Speeds in the World
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.