Here is a List of Languages AdSense Supports presently in 2019. Below are the lists of AdSense Supported languages. The primary language can be one of these to participate in the AdSense Program. Sign Up for AdSense if your website’s primarily language are listed below.
You must read Google AdSense Earning Totally Depends on 5 factors to boost your Earning. Besides this, you can also Boost your Earning with Page-Level Ads. Now Google Adsense offers Google AdSense auto ads.
Before Applying for AdSense Program you also must read Why Google AdSense Rejects your Website Application?