Name of the science which studies population
Demography
Total population of Spain
47 million people
A person who arrives in a country other than his or her country of origin and settles there.
Inmigrant
A person who leaves his country to live in another country.
Emigrant
Tell me the two types of migration
Inmigration and emigration
Difference between active population and non-active population.
Active population: People who are working or unemployed and looking for a job.
Non-active population: Children, students, housewives and retired people.
Name of the pyramid from poor countries.
Triangular or expanding pyramid
Type of pyramid characteristic of developing countries.
Bell pyramid
Type of pyramid characteristic of developed countries
Regressive pyramid
Average number of years a country's population lives.
Life expectancy
Chart ordering the inhabitants of a place by age, groups and gender.
Population pyramid
Number of inhabitants living in 1km2
Population density
When does a country decline?
When the number of inhabitants decreases
If a country's pyramid is regressive (bulb-shaped), it means that the population is...
Old
What is life expectancy?
Average number of years a country's population lives.
Difference between the number of births and deaths
Natural growth
Number of people born in a country during 1 year.
Birth rate
Número de personas que mueren en un país durante 1 año.
Tasa de mortalidad (death rate)
Give 2 examples of natural causes of migration.
Hurricaines and tsunamis
What is natural growth?
The difference between the number of births and deaths in a country.
What is demography?
The science that studies population: its movements, total number of inhabitants, distribution, density...
What is real growth?
Natural growth (births - deaths) + migration balance (immigrants - emigrants)
Tell me the 4 main causes of migration
1. Natural causes
2. Social and economic
3. Political and cultural
4. Familiar
What is population density?
Number of inhabitants living in 1km2.
What is the main disadvantage of an ageing country?
Their population will decrease because there will not be as many births.