Understanding how population growth, aging, migration, and urbanization shape societies and economies.
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Card 1
The population is increasing over time.
Explanation
A positive growth rate means births plus immigration exceed deaths plus emigration, so total population rises.
Common mistake
Confusing a high population size with a high population growth rate.
Card 2
Total population eventually declines.
Explanation
Below replacement fertility means each generation is smaller than the previous one, leading to long-term decline.
Common mistake
Assuming population cannot shrink if there are still many births each year.
Card 3
Natural increase is zero.
Explanation
When births and deaths per 1,000 are equal, the population neither grows nor shrinks from natural causes.
Card 4
The country has a large share of children.
Explanation
A broad base shows many births and a youthful population, common in high-fertility countries.
Common mistake
Thinking a wide base means many elderly people rather than many children.
Card 5
It increases the financial pressure on workers.
Explanation
More dependents per worker mean each worker supports more non-working people through taxes and transfers.
Common mistake
Assuming a high dependency ratio is only a problem in poor countries.
Card 6
It can create a demographic dividend.
Explanation
When the proportion of workers grows, countries can boost growth if they create enough productive jobs.
Common mistake
Believing a large working-age share automatically produces growth without good policies.
Card 7
Stage 2 of the transition.
Explanation
Stage 2 features mortality decline from improved health and sanitation, with fertility still high, causing rapid growth.
Common mistake
Placing falling death rates and falling birth rates in the same stage.
Card 8
It tends to lower fertility.
Explanation
Educated women often marry later, work more, and choose smaller families.
Common mistake
Thinking female education affects income but not family size decisions.
Card 9
Average life expectancy increases.
Explanation
Lower death rates at all ages mean people live longer on average, often expanding population size.
Common mistake
Assuming mortality decline must be driven by higher fertility.
Card 10
A large young cohort creates population momentum.
Explanation
Many young people reaching childbearing age produce many births even with low fertility per woman.
Common mistake
Believing that reaching replacement fertility immediately stops population growth.
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