It's economic productivity, not worker productivity - so it has more to do with the circumstances of the company in the market than the employees. The companie

It's economic productivity, not worker productivity - so it has more to do with the circumstances of the company in the market than the employees. The companies are bigger with much larger market share (often a significant fraction of the Earth's population) and benefit from the economies of scale that go with that - it's not like Facebook needs a million times more employees than a tiny web service a fraction of its size - tech work benefits massively from scale. I'd argue the USA has these large companies for various reasons (the start-up environment with lots of VC money, supportive universities etc.) and dominates Europe because Europe doesn't engage in protectionism. In Russia and China, where protectionism is much more common, the American tech giants are nowhere near dominant and they have their own local giants with Baidu, Yandex etc.