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4.3 monitoring human population and changing growth rates (population age…
4.3 monitoring human population and changing growth rates
population age structures
% or # or male/female in the young, adult, or old age groups in a population
determine if population is increasing/decreasing
diagrams (fertile ages)
pre-reproductive (0-14 yrs)
reproductive (15-44 yrs)
post reproductive (45yrs-older)
less developed countries have bigger pre-reproductive bases in diagrams with rapid population growth for decades
declining population diagram
fewer workers of adult age
labor shortages
less econ growth
seniors tu support, + pensions systems
education and social programs
solutions to rapidly increasing population rates (overpopulation):
encourage family planning systems
natalist policies:policies/laws set by governments to control their populations
anti natalist
china's one child only policy : : : : :
they are offered fam planning services (pills, plans, contraceptives, abortion clinics)
pro natalist
educating and empowering women
women tend to have fewer children if they:
are educated
earn their own income/have a stable job
are not discriminated
reducing poverty with economic development
industrialization stages
preindustrial: high fluctuating death rates, high birth rates
industrial: birth rates an death rates decline
post industrial:low birth rates, low death rates
pro:low development countries will stabilize economically and reduce poverty due to tech advances
con: rapid growth will leave countries stuck with high rates in stage 2
transitional: death rates fall, high birth rates
