It would take an year or two, for the other regions to catch up. us-east-1 and us-west-2 are always the regions to have new services implemented first. For example, Lambda was launched in us-west-2 in Jan 2015, where as the same feature came in us-east-2 in Oct 2016; after almost an year and half. Hope this helps. read more
The best AWS region for your workload. It can be hard for any customers to choose the best AWS Region to migrate their own workloads to, given how many options are available and how many factors are involved in the choice. In this post, we will discuss the key parameters to consider before choosing the best AWS Region for your workloads. read more
For accounts created on or after March 8, 2013, the default region is us-west-2; for older accounts, the default region is us-east-1. For information about using Amazon EMR in the AWS GovCloud (US) Region, see AWS GovCloud (US) Endpoints. read more