3024 migration: international

that forge ties between particular sets of coun
tries that stem from the sharing of historical
relations or geographical location in a common
region (Kritz et al. 1992). France, for instance,
has received large influxes of migrants from
North Africa and its former Francophone colo
nies in Sub Saharan Africa in the globaliza
tion era. Similarly, the United Kingdom has
received most of its migrants from former Brit
ish overseas colonies. Spain has received many
migrants from Spanish speaking countries in
the Americas.

METHODOLOGICAL ISSUES

Despite the growing importance of interna
tional migration for population growth in more
developed countries and for economic and
social structures and change in both sending
and receiving countries, the statistics needed
to monitor changes in migration volume and
directions are poor. Available statistics tend to
be gathered by receiving countries and deter
mined by policy approaches toward immigra
tion. Because policy approaches vary across
countries, there is lack of comparability
between the statistics produced by different
countries or even between those produced by
different sources within a single country
(United Nations 1998). While scholars of inter
national migration have lamented the lack of
adequate data to study international migration,
and the United Nations has issued recommen
dations to countries on the form that interna
tional migration statistics should take, the
situation has not improved. As a result, com
pared to study and knowledge of other demo
graphic processes, scholars know relatively little
about the magnitude of international migration,
or its determinants and consequences.

SEE ALSO: Chicago School; Citizenship;
Consumption, Tourism and; Family Migration;
Immigrant Families; Immigration; Immigration
and Language; Immigration Policy; Migration,
Ethnic Conflicts, and Racism; Migration: Inter
nal; Migration and the Labor Force; Migration:
Undocumented/Illegal; Networks; Refugee
Movements; Transnational Movements
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