
There are many countries that have restrictive immigration policies, while some have a welcoming policy.
Here we take a look at some countries that have given most citizenships between 2001 and 2010 in the world, according to an Organisation of Economic Co-operation and Development report.
Source: The Economist
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The United States
Naturalisations (2001-2010): 6.6 million
Foreign-born population of total (2010): 13 per cent
Global rank: 1
...

Russia
Naturalisations (2001-2010): 3.1 million
Foreign-born population of total (2010): N/A
Global rank: 2
...

Canada
Naturalisations (2001-2010): 1.7 million
Foreign-born population of total (2010): 20 per cent
Global rank: 3
...

Britain
Naturalisations (2001-2010): 1.5 million
Foreign-born population of total (2010): 12 per cent
Global rank: 4
...

France
Naturalisations (2001-2010): 1.4 million
Foreign-born population of total (2010): 9 per cent
Global rank: 5
...

Germany
Naturalisations (2001-2010): 1.3 million
Foreign-born population of total (2010): 13 per cent
Global rank: 6
...

Australia
Naturalisations (2001-2010): 1 million
Foreign-born population of total (2010): 27 per cent
Global rank: 7
...

Spain
Naturalisations (2001-2010): 0.6 million
Foreign-born population of total (2010): 15 per cent
Global rank: 8
...

Switzerland
Naturalisations (2001-2010): 0.4 million
Foreign-born population of total (2010): 27 per cent
Global rank: 9
...

Sweden
Naturalisations (2001-2010): 0.2 million
Foreign-born population of total (2010): 15 per cent
Global rank: 10
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The Netherlands
Naturalisations (2001-2010): 0.2 million
Foreign-born population of total (2010): 11 per cent
Global rank: 11
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Italy
Naturalisations (2001-2010): 0.2 million
Foreign-born population of total (2010): 8 per cent
Global rank: 12
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New Zealand
Naturalisations (2001-2010): 0.1 million
Foreign-born population of total (2010): 23 per cent
Global rank: 13
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Japan
Naturalisations (2001-2010): 0.1 million
Foreign-born population of total (2010): 2 per cent
Global rank: 14
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South Korea
Naturalisations (2001-2010): 0.1 million
Foreign-born population of total (2010): 2 per cent
Global rank: 15