Google added a section to Analytics that allows you to see demographic information about who is coming to your website. This can be very useful, and creepy, information about your users and allow you to make intelligent, or creepy, adjustments to your site and marketing efforts. Implementing this is pretty simple unless you use the Yoast Google Analytics for WordPress plugin, in which case you have to implement an, as they say in the industry, ‘work around’.
First login to wordpress and goto the settings section for the Google Analytics for WordPress plugin
Then scroll down to the “Host ga.js locally:” check box and click it.
Then go into Google Analytics and go to the Demographics section under Audience and click to Validate and boom you are done!
There is also this video where the validation doesn’t work, but it worked for me: