You may be aware of the ‘Golf Around the World’ publication which is put together for us by the National Golf Foundation. The full reports are produced every two years and you can download those for 2015, 2017 and 2019 free from The R&A website at https://www.randa.org/en/theranda/abouttheranda/downloadsandpublications
The NGF has produced an interim report for us, with a more straightforward style of data presentation.
The R&A