New regions in Tokyo, Sydney, Singapore, Mumbai, Finland, Frankfurt, London, Sao Paulo and N. Virgina, with 3 zones per region (2 in Fin and Sing)? That brings them to 37 (edit: soon 38 with a third zone in Oregon) zones in 14 regions. In addition, they're putting down building footprints in Alabama and Tennessee, which may become new regions in the future, and adding buildings in Oregon, Iowa, South Carolina, and Belgium, which may become new zones. In March, they announced 10 new regions in 2017, and the above numbers account for only 8.<p>AWS will have 40 zones in 16 regions in the same time period (based on their public announcements.<p>Not sure about the AWS backbone though. GCP has access to dedicated fiber from the US to both the Pacific and South America on the order of 10Tbps, and that's just the wholly-owned stuff disclosed in public. Amazon is quite hush hush on their network.