Although undocumented migrants may be in need of international protection, frequently they do not seek asylum.

The foreign population in the country, including many undocumented migrants, may exceed 12 million.

More than 2.5 million (potentially higher because of undocumented migrants), 14.9% up in five years.

In 1993, 9 of 10 undocumented migrants crossed at border cities.

There were an estimated 5,000 undocumented migrants in Luxembourg as of 1999.

Most of their clients weren't asylum seekers; they were actually undocumented migrants.

Exact figures are difficult to obtain due to the large proportion of undocumented migrants.

Ssuuna ended up living in anonymity of an undocumented migrant for more than five years.

Over 200,000 undocumented Central American migrants were deported in 2005 alone.

Training for those who come into contact with undocumented migrants is therefore important.