Based on a comparison of 32 countries in 2011, Luxembourg ranked the highest in foreign population as a percentage of total population with 44.9% followed by Switzerland and Latvia. On the other end of the scale was Poland with 0.145%, Mexico with 0.244% and Slovakia with 0.872%.
Data for more countries are available at Foreign Population (As % of Total Population) indicator page.
| Foreign Population (As % of Total Population) | Unit | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Austria | % | ... | ... | ... | ... | 9.69% | 9.73% | 10.1% | 10.4% | 10.7% | ||||||||||||
| Belgium | % | 8.59% | 8.84% | 9.14% | 9.46% | 9.80% | ||||||||||||||||
| Estonia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 19.0% | 18.1% | 17.3% | 16.7% | 16.4% | ||||||
| Germany | % | 8.19% | 8.20% | 8.20% | 8.19% | 8.17% | ||||||||||||||||
| Ireland | % | ... | ... | ... | ... | ... | 9.74% | ... | ... | ... | ... | |||||||||||
| Italy | % | 4.59% | 5.03% | 5.83% | 6.56% | 7.09% | ||||||||||||||||
| Latvia | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | |
| Luxembourg | % | 41.5% | 42.3% | 43.2% | 44.5% | 43.8% | ||||||||||||||||
| Norway | % | 4.81% | 5.11% | 5.65% | 6.35% | 6.91% | ||||||||||||||||
| South Sudan | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 9.55% | 10.3% | 11.7% | 12.4% | 12.5% | ||||||
| Spain | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 11.7% | 12.4% | 12.4% | ... | ||||
| Sweden | % | 5.07% | 5.35% | 5.66% | 6.02% | 6.40% | ||||||||||||||||
| Switzerland | % | 20.3% | 20.4% | 20.8% | 21.4% | 21.7% | ||||||||||||||||
| USA | % | ... | ... | ... | ... | ... | ... | ... | ... | ... | ... | 7.16% | 7.33% | 7.42% | 7.18% | 6.88% | ||||||
| United Kingdom | % | 5.11% | 5.68% | 6.36% | 6.91% | 7.14% |
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