That will bring you to a page featuring your ad preferences. Under the “Interests” header, click the “Lifestyle and Culture” tab.
Then look for a box titled “US Politics.” In parentheses, it will describe how
Facebook has categorized you, such as liberal, moderate or conservative.
(If the “US Politics” box does not show up, click the “See more” button under the grid of boxes.)
Facebook makes a deduction about your political views based on the pages that you like — or on your political preference, if you stated one, on your profile page. If you like the page for Hillary Clinton, Facebook might categorize you as a liberal.
Campaigns can use this information to better target ads to specific voters.
You can dig into all sorts of other information Facebook collects on you through their ad preferences site.