Share this article Share this article SCOTTSDALE, Ariz., Feb. 23, 2021 /PRNewswire/ -- Viavi Solutions Inc. (VIAVI) (NASDAQ: VIAV) today released new industry data revealing that the number of cities with 5G networks is now 1,336 globally, a 350 percent increase during the past year despite an ongoing global pandemic. As of January 2021, more than 30 percent of the world's countries now have 5G availability, according to the new VIAVI report As of January 2021, the number of cities with 5G networks is now 1,336 globally, a 350 percent increase during the past year despite an ongoing global pandemic, according to the new VIAVI report "The State of 5G," now in its fifth year.