Originally Posted by Webdeveloper
Until now, teenagers aged 13 or below can't join Google +, however from now on teenagers aged 13 and up can join Google +
Originally Posted by tessori
Google must take care of those children who are 13 or below 13.
I'd just like to clarify the age restrictions as the above statements could be confusing.
Previously, Google+ was only open to people aged 18+. With this change, those aged 13-17 were also able to join, but children under the age of 13 still cannot join.