Audience Insights shows you data about your target audiences so that you can create more relevant ads for them.

Use Audience Insights:

1. Go to Audience Insights.
2. Choose an audience you want to look at. You can choose between everyone on Facebook or people connected to your Page.
3. If you have multiple ad accounts, select the account you want to use from the drop-down at the top of the page.
4. Use the filters on the left-hand side to define your audience or use the interactive graphs to refine your audience.
5. Click Save.
6. Give your audience a name. You'll be able to use your audience to create an ad in Ads Manager.

Before you begin:

• To use Audience Insights to see fans of Pages, you must be an admin and have advertiser level permissions or higher for the Page.
• The number you see in Page Insights may differ from the number you see in Audience Insights. Page Insights measures how many people like your Facebook Page, while Audience Insights is based on the number of people connected to your Page that have logged in to Facebook in the past month.
• You can't edit an audience in an active campaign.

To edit an existing audience:

1. Go to Audience Insights
2. If you have multiple ad accounts, select the account in which the audience is saved from the drop-down menu at the top of the page.
3. Click Open.
4. Select the Audience that you want to edit and click Open.
5. Use the filters to edit your audience
6. Click Save.

* Nguồn: Facebook