Facebook continuous upgrading its designs and enhancing functionalities for their app and website. Previously it was easy to check that who likes your page by just clicking the link below total likes information. But nowadays if you will click then it shows the statistics of page likes. Even I struggled to check my page likes on Facebook.
Finally the link to check who likes your page is at the following location:
Click the Settings of top right corner of your page and then click the People and Other Pages as shown in image below
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