Construct · 1 fields · 1 citations

replacement migration: a standalone construct

One name. One construct. A landmark on the map.

● anchor · immigration proposed to offset ageing Nearest construct by meaning·not indexed
replacementmigration1 CONSTRUCTReplacement migrationCOLEMAN · 2002

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Demography and migration studies

Immigration to offset decline and ageing

Replacement migration is the idea of using international immigration to counteract a population's decline or ageing: to keep total size, the working-age population, or the old-age support ratio from falling as fertility stays below replacement. A United Nations study popularised the term, and Coleman's 2002 Replacement migration, or why everyone is going to have to live in Korea showed that the immigration volumes needed to hold the support ratio constant would be implausibly enormous, so migration can cushion but not undo population ageing. The referent is a policy-evaluation construct about migration volumes and age structure, not observed migration itself.[1]

Unit
The net immigration volume required to hold a chosen population target constant
Recovery means
Not applicable
Measured by
Computed by solving, within a projection, for the net migration that keeps total size, working-age size, or the support ratio fixed

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Nearby constructs

dependency ratio1 fields · 1 citationsanchor · the age-burden measure of a populationdemographic momentum1 fields · 1 citationsanchor · growth locked in by age structurecohort-component method1 fields · 1 citationsanchor · the standard engine of population projection

References

  1. Coleman, D. A. (2002). Replacement migration, or why everyone is going to have to live in Korea: A fable for our times from the United Nations. Philosophical Transactions of the Royal Society B, 357(1420), 583–598. https://doi.org/10.1098/rstb.2001.1034

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