Why my Apple iPad is not charging?

The majority of iPad models require your Power Adapter to rated at least 10-12W. If you are using a Power Adapter designed for iPhone, these are usually only rated as 5W - and are inadequate to charge an iPad.

More information about troubleshooting charging issues can be found here:

If your iPad won't charge – Apple Support

Charge and monitor the iPad battery - Apple Support

What have you done to try and resolve the issue?