Searchmetrics SEO World Rankings 2019 provides a good insight on the top domains ranking, Top 10 domains in 10 different countries, most improved domains & others.
Some of the findings are
Wikipedia is the most visible domain in 7 out of 10 countries
Youtube is the most visible domain in other 3 countries
Apple.com is no longer in top 5 global domains
Big 4 tech companies occupy 39% of top 10
Amazon has 6 different domains in top 10’s
Download the full report at searchmetrics site
Bubblecube 