UNIT 4: POPULATION IN SPAIN AND EUROPE

DEMOGRAPHY

Is the study of human populations

There are four factor than can change the size of population

nº of birth

nº of death

immigration (people who arrive a country)

emmigration ( people who leave the country)

The absolute population

Is the total number of inhabitants in an area

To calculate the population changes, you need to consider:

NATURAL INCREASE = Nº OF BIRTH - Nº DEATH

natural increase can be

POSITIVE natural increase

NEGATIVE natural increase

There are more birth than death

There are more death than birth

ACTUAL INCREASE= natural increase + nº of immigrants - nº of emigrants = actual increase

positive actual increase

negative actual increase

The total population has increased

The total population has increased

POPULATION DENSITY

Describes the average nº of people in an area. Population / square kilometres=population density Captura de pantalla 2020-04-18 a las 17.10.00

FACTORS AFFECTING POPULATION DENSITY

Natural causes: like floods, earthquakes and droughts
Social causes, like access to good education and medical services
Political causes, like wars
Economic causes, like job opportunities and better wages

CHARACTERISTIC OF THE POPULATION OF SPAIN

NEGATIVE NATURAL INCREASE

POSITIVE ACTUAL INCREASE

LIFE EXPECTANCY

  • spain population has increase a negative natural increase
  • People live longer, Which means it has an ageing population
    -have fewer children than in the past
  • The median age of the population of Spain is about 43,5
  • Immigration is helping the country to grow
  • The absolute population of Spain decreased from 2012 - 2016

Is the average nº of years a person is expected to live. Now is about 83 years.

MIGRATION TRENDS IN SPAIN

INMIGRATION

Is when people move to a new country

EMMIGRATION

People leave their country To move somewhere else

INTERNAL MIGRATION

Internal migration is when people move from one area to another area within their own country

RURAL EXODUS

people move from rural areas to cities to find work or work in factories

RURAL EXODUS CAN CAUSE OVERPOPULATION IN URBAN AREAS: this can cause:

  • Environmental problems (air or water pollution)
  • unemployments among rural migrants
  • lack of food supplies
    -more demand of public services