Even though Google does not report on monthly adoption rates of Android anymore, its Android Studio does show the number of Android devices that access the Play Store during a seven-day period alongside their corresponding OS version. Android adoption rates (via: 9to5Google) Based on this data, Android 10 is currently running on 26.5% of devices which is the most of any Android version. Last year’s Android 11 is second with 24.2%, while data for Android 12 devices is yet to be populated. Android distribution numbers Android 9 Pie is next up with 18.2%, followed by Android...
Source: https://www.gsmarena.com/android_11_adoption_rates_reach_242_still_behind_android_10_-news-51957.php