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Migrant deaths and disappearances

Since 2014, more than 4,000 fatalities have been recorded annually on migratory routes worldwide. The number of deaths recorded, however, represent only a minimum estimate because the majority of migrant deaths around the world go unrecorded. Since 2000, more than 60,000 migrant deaths have been recorded globally. These data not only highlight the issue of migrant fatalities and the consequences for families left behind, but can also be used to assess the risks of irregular migration and to design policies and programmes to make migration safer. 
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International migration flows

Migration flows data capture the number of migrants entering and leaving (inflow and outflow) a country over the course of a specific period, such as one year (UN SD, 2017). Data on migration flows are essential for understanding global migration patterns and how different factors and policies in countries of origin and destination may be related to flows. However, in contrast to migration stocks data, estimates on migration inflows and outflows by country of origin and destination are not available at the global level. Currently, only 45 countries report migration flow data to the United Nations (UN DESA, 2015).  Migration flows data on migrants entering and leaving over the course of a given time period (usually a calendar year) are often confused with migration stock data which estimate all migrants residing in a country at a particular point in time (UN SD, 2017, emphasis added).   
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International migrant stocks

International migrant stocks are estimates of "the total number of international migrants present in a given country at a particular point in time" (UN SD, 2017: 9). United Nations (UN) data on these stocks are based mostly on the country’s population that is born abroad, and (where this information is not available) on holding a foreign citizenship (UN DESA, 2016: 4; UN SD, 2017).  Data on migrant stocks are often reported together with data on migrant flows. Although both terms account for the number of migrants, what they measure is different. Migrant flows data account for the number of migrants entering or leaving during a specified time period (usually one calendar year) (UN SD, 2017).
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Migration forecasting

Migration forecasting is intended to provide informed guesses about future migration flows and trends. This is crucial information for policymakers to anticipate future challenges and adjust policies, design programmes and allocate resources. The term “forecast” is often used synonymously with “prediction” or “projection”, despite slight differences in meaning. Migration forecasts can be based on various and differing assumptions and results are prone to high uncertainty and errors because it is not possible to accurately predict the future.

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Quantifying Global International Migration Flows

The article presents an innovative methodology for estimating migration flows based on changes in international migrant stocks. The article uses circular plots to visualise and explain flows, and presents findings on bilateral flows between 196 countries from 1990 through 2010. 
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Quantifying Global International Migration Flows

This article presents an innovative methodology for estimating migration flows based on changes in international migrant stocks. Also innovative are the use of circular plots to visualise these phenomena. Using these visual and methodological approaches, the article presents findings on bilateral flows between 196 countries from 1990 through 2010.

Publisher: Science

PARiS21 Database on Developing Innovative Solutions for Statistics

To respond to the increasing demand on countries to produce and make available faster and cheaper high-quality data, PARIS21 has developed selected innovative tools to help data agencies in developing countries better respond to the changing data ecosystem. This online database provides access to the guidelines, tools, resources and overall capacity building documentation developed by PARIS21 to improve access to quality household survey microdata.
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PARiS21 Knowledge Database

PARiS21 (Partnership in statistics for development in the 21st century) is a global forum and network of statisticians, analysts, policy-makers, development professionals and other users of statistics which works to promote the better use and production of statistics throughout the developing world.

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