Google's market share is somewhere between 88% and 98% almost everywhere outside of China and Russia. These are pretty significant "submarkets". http://gs.stat

Google's market share is somewhere between 88% and 98% almost everywhere outside of China and Russia. These are pretty significant "submarkets". http://gs.statcounter.com/search-engine-market-share http://gs.statcounter.com/search-engine-market-share But I think what these statistics do not reflect is the growing share of Amazon in product search.