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Population Momentum/Ushahidi
Rekodi ya ushahidi wa mbinu

Population Momentum

Population momentum is the tendency of a growing population to keep growing for decades even after fertility falls to the replacement level, simply because its age structure is heavily weighted toward young people who have yet to reach childbearing age. Introduced by Nathan Keyfitz in 1971, the momentum factor measures how much larger (or smaller) a population will ultimately become if fertility instantly drops to exact replacement. It explains why ending rapid population growth is not immediate: the built-in youthfulness of a fast-growing population carries growth forward long after birth rates stabilize.

Sources recorded, not reviewed

Rekodi ya chanzo

Nukuu zimehamishwa kwa uhalisi kutoka kwa rekodi ya chanzo cha mbinu. Hakuna uthibitisho wa kiwango cha dai unaodokezwa kutoka kwao.

Population Momentum (Keyfitz)
Rekodi ya mbinu ya kiajenda · process-pipeline / demography
  • Keyfitz, N. (1971). On the momentum of population growth. Demography, 8(1), 71–80. · DOI 10.2307/2060339
  • Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. · ISBN 9781557864512
Fungua mbinu kamili

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Hakuna madai yaliyotunzwa bado

Mwonekano huu haubuni tathmini ya dai wakati daftari haina yoyote.

Mbinu zinazohusiana

Zilizotengenezwa kutoka kwa grafu ya mbinu na kuonyeshwa kama uhusiano uliopendekezwa na mashine — hakuna dai la ushahidi linalodokezwa.

Same method familyCohort-Component Projectionmachine-suggested · Relational suggestion, not evidence.Same method familyNet Reproduction Ratemachine-suggested · Relational suggestion, not evidence.Used in the same domainStable Population Theorymachine-suggested · Relational suggestion, not evidence.

Hali ya ushahidi

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

Vyanzo

2 nukuu zilizorekodiwa, ziliyonakiliwa kutoka kwa rekodi ya chanzo cha mbinu.

Vitendo

Fungua ukurasa wa mbinu
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