Is Google Dominating Search Engines?

In the US it seems that Google has towards 90% of searches are made on Google. In most countries in the world, I think only a few countries like South Korea and Russia, you get different search engines dominating. How they behave when they reach the search engine is changing thanks to Google's product offering changing. It does pose an existential threat to you and your industry if you are charged with bringing people to websites for particular terms.