VoICE Immunization Evidence: Demographic Transition

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Demographic Transition

The “Demographic Transition” is a well-demonstrated phenomenon whereby the increased health and development of a population (usually due to industrialization) lead to a transition from high birth and death rates to lower birth and death rates. Immunization has contributed meaningfully to reducing childhood mortality worldwide and may thus be logically considered a key factor in the ongoing demographic transition in most developing countries. Healthier populations have better Economic prospects, and some studies have endeavored to estimate the rate of return on investments in immunization.
2 Key Ideas, 2 Sources
Key Idea

A study from South Africa shows that reduced birth rates (fertility) leads to: 1) “decreasing ratio of economically dependent people” 2) “increasing labour force per capita” 3) “[increased] saving’s 4) “savings can be invested in the physical and human capital needed for economic growth” 5)”As average family size decreases, parents are likely to invest more in the education and health of each child, leading to improved productivity in adulthood.”

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Key Idea

Declining child mortality results in decreased fertility, ushering in demographic transition on the national and regional scale. “Improvements in public health are at the heart of the demographic transition. Improved sanitation, immunization programs, antibiotics, and contraceptives initiate the declines in mortality that lead to declines in fertility, which together cause changes in the age distribution and size of a population.”

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A woman carrying vaccines

Search for immunization evidence

The VoICE tool allows you to search for research studies and published evidence based on a topic, location, and disease or vaccine.

Search VoICE