Erthyglau Cyfnodolyn
Migration is a key feature of population change in Europe, shaping the continent’s economy, labour markets and demography. In 2013 there were 20 million non-EU nationals living in the European Union, representing around 4% of the total population, up from 3.4% in 2005 (OECD /EU 2015, p. 300). The EU’s core principle of free movement,…