Film info
Film summary
Every 10 years, governments try to measure population changes using a census, or questionnaire. But what does this show? And why do we need to know?
Key facts
- Governments keep track of the population – globally and locally – by taking censuses.
- A census is data compiled via a survey of households, territories, or a sample of the population, with exactly the same questions.
- Census information compiled every 10 years and used to plan the provision of services.
- Wars, conflicts and large-scale migration make it difficult to conduct accurate censuses, as refugees and residents of informal settlements are often excluded.
Transcript
"I'd say 6 billion off the top of my head"
"I have got no idea how many people live on the planet. No idea."
"I know India's population is 1.1 billion, but I don't know the population of the world."
Each year, millions of people die, and millions are born.
Millions more migrate from ...
Please log in to view and download the complete transcript.