Detailed European demographic data are now available on Social Explorer. This new European dataset includes population numbers and detailed characteristics, as well as births, deaths and migration. Data for 2013 are now available with additional years coming soon.
Visualize European Statistics (Eurostat) demography for dozens of countries country. Eurostat, the statistical office of the European Union, provides statistics that enable comparisons between countries and regions. Data are also available by disseminated geographical aggregates, such as the European Union and the European Free Trade Association.
For example, explore this map showing the foreign born population across Europe:
A detailed report on origin reveals that 164,251 Americans live in the United Kingdom, making it the country with the highest proportion of foreign residents from the United States.