Source: Google+ User Statistics Part II – BimeAnalytics.com
There are a few things to note before diving into the data. 1. The data is taken from a SAMPLE, not from the whole G+ population. 2. People are indexed at random for the sample. 3. It’s a snapshot in time! The numbers will have again slightly shifted since the dashboard was created. Data was used from over a period of 2 days, between the 16th and the 18th of August 2011.