Immigrant inventors account for 18% of all inventors residing in the US. Several small European countries see even higher immigration rates –notably, Belgium (19%), Ireland (20%), Luxembourg (35%), and Switzerland (38%). Among the larger European countries, the UK (12%) shows a relatively high share of immigrant inventors. By comparison, foreign nationals only account for 3% to 6% of all inventors in Germany, France, Italy and Spain. Japan is the only high-income economy with an inventor immigration rate of less than 2%.And, in a don't-stop-the-presses revelation;
We find that many of the variables that explain overall migration also explain inventor migration. In particular, economic incentives positively affect inventors’ decisions to migrate and the costs of relocating to another country exert a negative influence on these decisions.