note on international migration
Answers
No study of migration is complete without a study of international migration, which has had an important bearing on the population growth of several countries, such as the United States, Canada, Australia and New Zealand, Israel, Singapore, Hong Kong, South Africa and some countries of Latin America.
International migration is as old as human history, whether it is voluntary or forced upon people by famines, conquests and various types of persecutions. Unfortunately, because of the lack of precise information, the size and nature of such migration are not exactly known.
In present times, statistics on international migration are maintained by various countries for their own national use, and hence international comparisons based on such statistics become difficult because of lack of uniformity.
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International migration occurs when people cross state boundaries and stay in the host state for some minimum length of time. Migration occurs for many reasons. Many people leave their home countries in order to look for economic opportunities in another country.
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