b'Eight and a half million EU workers (3.6 % of the EU\'s active population) either work or are looking for a job in another EU country, as permanent workers, cross-border workers or posted workers. The free movement of workers is one of the four fundamental freedoms enshrined in the EU treaties and a core element of EU citizenship, but is also key to completing the monetary union and the single market.
Source: \\xa9 European Union - EP'