ISSN 2330-717X

Prepare For The 21st Century Exodus Of Migrants – Analysis

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Policy planning requires new assumptions about migration in a densely populated world with conflict and climate change.

By Joseph Chamie*

Immigration has emerged as a key campaign issue in the elections in Great Britain, the United States, Germany, France, Austria and India. International migration, while of little demographic consequence at the global level, can be more visible at the national level, impacting population size, age structure and ethnic composition. Nations like the United States, Australia and Great Britain could expect minimal population growth – and in Canada’s case, decline – without international migration.

International migration accounts for the dominant share of future population growth in many countries, especially those with low fertility rates, over the coming decades. By mid-century, for example, the projected proportions of population growth as a result of immigration are substantial: Australia, 78 percent; the United Kingdom, 78 percent; and the United States, 72 percent. Without international migration, Canadian population is projected be about 3 percent smaller by 2050. In most other developed countries, including Italy, Japan, Germany, Spain and the Russian Federation, immigration reduces the expected declines in their future populations resulting from negative rates of natural increase, with more deaths than births annually. For example, without international migration Germany’s current population is projected to decline by 16 percent by mid-century; with immigration the projected decline is halved to 8 percent.

In contrast, for many of the traditional emigration countries, such as Bangladesh, Haiti, Mexico, Morocco and the Philippines, their future populations would be decidedly larger in the future without the outflow of their many migrants. Haiti’s population, for instance, is expected to increase by 32 percent by 2050, without emigration its population is projected to increase by 47 percent.

Population projections depend on assumptions regarding future levels of fertility, mortality and international migration. Of those three fundamental components of population change, it is widely acknowledged that the most difficult to anticipate is international migration. Despite the challenges, however, explicit assumptions are necessary for good planning as all are critical ingredients of demographic change for many countries.chart1

United Nations population projections generally assume that international migration trends for most countries, excluding the movement of refugees, will be similar to recent levels, if stable, until mid-century and subsequently decline. Such assumptions may be politically palatable as well as statistically defensible for governments of major sending and receiving migration countries.

However, assumptions based on the recent past likely underestimate future migration because they fail to sufficiently capture the powerful demographic, economic and sociopolitical forces increasingly driving international migration flows in the years ahead.

While the older populations of many of the migrant receiving countries are growing slowly with some even declining, the younger populations of the migrant sending countries are growing rapidly. This critical demographic differential is most evident in a comparison of the populations of Europe and Africa. Up until the close of the 20th century Europe’s population exceeded Africa’s. During the 21st century, the demographic relationship is markedly reversed with Africa’s population becoming increasingly larger than Europe’s.

The differences in the economic conditions in migrant sending and receiving countries are substantial. Most workers in developing countries face high unemployment, low wages, few if any benefits and limited opportunities for career development. Housing is often substandard. Educational and training opportunities are limited; health care services, if available, are basic; and most families live at close to subsistence levels. In contrast, living conditions in the wealthier developed countries resemble nirvana, especially to those in poorer distant lands.chart2

Corroborating the financial benefits and advantages of emigration to the wealthy nations are the huge remittances sent home to families in developing countries, $432 billion in 2015 or more than triple the global total of overseas development assistance. Top recipient countries of recorded remittances are India, $69 billion; China, $64 billion; the Philippines, $28 billion; Mexico, $25 billion; and Nigeria, $21 billion. As a share of GDP, however, the top recipient countries are Tajikistan, 42 percent; the Kyrgyz Republic, 30 percent; and Nepal, 29 percent.

Failing or fragile states, troubled by ineffective governance, political instability, violence and armed conflict, are also driving increased international migration flows. Among the top 25 failing states – three out of four located in Africa – are war-torn countries including Afghanistan, Democratic Republic of Congo, Iraq, Somalia, South Sudan, Sudan, Syria and Yemen. By the end of 2015, the major sources of refugees under the mandate of the United Nations High Commissioner for Refugees, accounting for two out of three of refugees, were Syria, 4.9 million; Afghanistan, 2.7 million; Somalia, 1.1 million; South Sudan, 800,000; and Sudan, 600,000.chart3

In addition to international migration’s potent push factors, strong pull factors operate in many migrant-receiving countries. Both the private and public sectors frequently look to migrants to resolve labor shortages and maintain wages. In addition to highly skilled migrants, employers seek unskilled, low-wage migrant workers to perform tasks and provide services that the native populations largely avoid – in the agriculture, fishing, health care and construction industries.

An instructive approach to anticipating future migration levels is to consider people’s intentions, plans and behavior. Based on international surveys, the number of people indicating a desire to immigrate to another country is estimated at about 1.4 billion, far larger than the current 244 million migrants worldwide.

Among those wishing to migrate, an estimated 100 million report planning to migrate in the next year and 40 million are estimated to have taken steps necessary for migration, such as obtaining travel documents, visas, financial resources and more. Again, such estimates of likely migrants in the near term are substantially greater than the world’s current level of nearly 6 million migrants per year.

The leading destination of potential migrants is the United States followed by the United Kingdom, Canada, France, Germany and Australia. If those taking steps necessary to migrate were to immigrate to desired destinations, the result would expand UN-projected annual numbers for major migrant-receiving Western countries by more than tenfold.

Future migration levels may turn out to be similar to those of the recent past, as assumed by official population projections. However, such assumptions seem doubtful in light of sizeable demographic, economic and governance differences between migrant sending and receiving countries as well as the reported intentions of many to immigrate.

Growing numbers of people – many unauthorized migrants, refugees and asylum seekers – are on the move. Despite considerable risks and shrill opposition in many receiving countries, migrants boarding boats, trains, trucks, and even walk, determined to find another home.

Given those circumstances, it would be prudent and useful to prepare alternative projection scenarios for international migration. Foreign aid and development, as well as ending conflicts, could reduce migrant flows, and assumptions need not be as enormous as estimated by some. Still, larger numbers should be envisioned and seriously considered by governments and international agencies.

Ignoring the likelihood of large-scale international migration flows in years ahead may be politically expedient, especially for those advocating tightened borders and restrictions for migrant admissions. Doing so, however, is shortsighted, misguided and ill advised – and will undermine policy development, responsible planning and program readiness for the international migration exodus in the 21st century.

*Joseph Chamie is an independent consulting demographer and a former director of the United Nations Population Division.


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YaleGlobal Online

YaleGlobal Online

YaleGlobal Online is a publication of the Whitney and Betty MacMillan Center for International and Area Studies at Yale. The magazine explores the implications of the growing interconnectedness of the world by drawing on the rich intellectual resources of the Yale University community, scholars from other universities, and public- and private-sector experts from around the world. The aim is to analyze and promote debate on all aspects of globalization through publishing original articles and multi-media presentations. YaleGlobal also republishes, with a brief comment, important articles from other publications that illuminate the many sides of this complex phenomenon. To the extent permitted by copyright arrangements, YaleGlobal archives such articles and makes them available for search and retrieval.

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