As a developer I am interested in which versions of Android are most used.
On site statcounter.com I found a chart answering my question.
So…here are the statistics on July 2022.
This chart is worldwide:


… and in comparison with Russian Federation:


The leaders are:
- 10/11
- 9.0 Pie
- 12
- 8.1 Oreo
Other versions spread less than 4-5% of users.