เปรียบเทียบวิธี
ดูวิธีที่เลือกเทียบกันแบบเคียงข้าง แถวที่ต่างกันจะถูกเน้นไว้
| Net Migration Rate× | การคาดประมาณประชากรแบบจำแนกตามรุ่นและองค์ประกอบ× | |
|---|---|---|
| สาขาวิชา | ประชากรศาสตร์ | ประชากรศาสตร์ |
| ตระกูล | Process / pipeline | Process / pipeline |
| ปีกำเนิด≠ | 1976 | 2001 |
| ผู้ริเริ่ม≠ | Classical vital-statistics measure (formalized by Shryock & Siegel) | Preston, Heuveline & Guillot |
| ประเภท≠ | Rate of net population change due to migration per unit population | Demographic projection pipeline |
| แหล่งต้นตำรับ | Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 9781557864512 | Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 978-1-557-86451-2 |
| ชื่อเรียกอื่น≠ | Net Migration Ratio, Crude Net Migration Rate, Net Migration per 1000 | Cohort-Component Method, Component Method of Population Projection, Age-Sex-Specific Population Projection, Kohort-Bileşen Projeksiyonu |
| ที่เกี่ยวข้อง≠ | 4 | 3 |
| สรุป≠ | The net migration rate expresses the net effect of migration on a population's size as a rate: net migration — in-migrants minus out-migrants over a period — divided by the population at risk, conventionally stated per 1000 people. It is the migration counterpart to the rate of natural increase and a standard component of population accounting. Because directional migration flows are often poorly recorded, net migration is frequently not counted directly but estimated as a residual from the demographic balancing equation or by comparing surviving cohorts across two censuses. | Cohort-Component Projection is the standard demographic method for forecasting future population size and age-sex structure by explicitly tracking births, deaths, and migration for each age-sex cohort across discrete time steps. Systematically formalized in the textbook literature by Preston, Heuveline, and Guillot (2001), the method builds on foundational actuarial and demographic work dating to the early twentieth century and remains the workhorse technique used by national statistical offices and international organizations worldwide. |
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