Demography quiz

More questions about Demography

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What demographic term refers to permanently leaving your home country to live elsewhere?

   Answer: Emigration

   Why: While 'immigration' focuses on the country receiving the new resident, 'emigration' looks at the country they left.

2. 2 Medium

   Who is widely considered the founder of demography?

   Answer: John Graunt

   Why: Graunt's 1662 table was the first life table but crude: the bills gave causes, not ages. Halley's 1693 Breslau table was the first modern one.

3. 3 Hard

   Why did Romania ban abortion and contraception in 1966?

   Answer: Reversing fertility decline

   Why: Decree 770 caused an immediate birth spike, but was followed by severe social, medical, and orphanage crises.

4. 4 Easy

   What mainly caused the global population explosion of the 20th century?

   Answer: Falling mortality rates

   Why: The explosion wasn't caused by people suddenly having more babies, but rather by more children surviving to adulthood.

5. 5 Medium

   What term means the population size that maximizes income per person?

   Answer: Optimum population

   Why: Edwin Cannan set out this optimum in Wealth (1914): below it, income per head falls just as it does above it.

6. 6 Hard

   Which statistic is hardest to measure from official records?

   Answer: Net migration

   Why: Net migration is often not counted directly at all: statisticians derive it as the residual left after births and deaths are subtracted from population change.