Question
Which users are tracked under the 'Visitors to Unsegmented Pages' audience segment?
Answer
The "Visitors to Unsegmented Pages" is a segment created by default in your account to track those visitors who are not being tracked in any other segment.
For example, cart page visitors will not be present in "Visitors to Unsegmented Pages" if there is already a segment created for the cart and if it is working properly.
To learn more, check out Your "Visitors to Unsegmented Pages" Audience.