The people The people in the in the planetplanet

The inhabitants and their The inhabitants and their distributiondistribution

• The population continue increasing. The The population continue increasing. The inhabitants are distributed very different. There inhabitants are distributed very different. There are huge countries with low population and small are huge countries with low population and small contries with high population. We´ll can compare contries with high population. We´ll can compare the population´s volume with the population the population´s volume with the population density.density.

Distribution factorsDistribution factors• Physical factors:Physical factors: Moderate temperatures, mountains with Moderate temperatures, mountains with

low altitude, fertile grounds minerals and water are good low altitude, fertile grounds minerals and water are good for the population. But, high temperatures, excessive for the population. But, high temperatures, excessive humidity and high grounds are difficult for the population.humidity and high grounds are difficult for the population.

• Historical factors:Historical factors: All the population in river and deltas All the population in river and deltas valleys are inheritance from the past. The big empires used valleys are inheritance from the past. The big empires used his power for cut down, build… The almost Africa his power for cut down, build… The almost Africa population died because there were a lot of slaves. population died because there were a lot of slaves.

• Economic factors:Economic factors: The population increases where there The population increases where there are many resources: minerals, activities…are many resources: minerals, activities…

• The urban areas attract a lot of population: economic The urban areas attract a lot of population: economic activities, sevices, lots of jobs…activities, sevices, lots of jobs…

Evolution of the world Evolution of the world populationpopulation• Evolution in the rich countriesEvolution in the rich countries

Demographic stability:Demographic stability:During the XVII century the population increased very slow.During the XVII century the population increased very slow.The families had five childrens, and lots of them died with one The families had five childrens, and lots of them died with one

year old. The mortality was very high.year old. The mortality was very high.The crops were very unsafe, there were a lot of wars and The crops were very unsafe, there were a lot of wars and

catastrophes. The people died with maximum 40 years old.catastrophes. The people died with maximum 40 years old.

Increasing population and demographic revolution.Increasing population and demographic revolution.When the industrial revolution started, everything was ok.When the industrial revolution started, everything was ok.The catastrophic famines were disappearing for the aliments The catastrophic famines were disappearing for the aliments

production´s increase: new crops, jobs in the field, good production´s increase: new crops, jobs in the field, good grounds...grounds...

Process of the hygiene: There was coal at home, the people Process of the hygiene: There was coal at home, the people found soap and cotton clothes. The people were picking up the found soap and cotton clothes. The people were picking up the rubbish.rubbish.

During there was a low mortality the birth rate went up. During During there was a low mortality the birth rate went up. During the XVIII and XIX centuries, there was a demographic the XVIII and XIX centuries, there was a demographic revolutionrevolution

Decrease of the birh rate.Decrease of the birh rate.In Eorupe and other countries, the mortality was decreasing, In Eorupe and other countries, the mortality was decreasing, because there was medicines, vaccine and the figh agains the because there was medicines, vaccine and the figh agains the mortality of the childrens.mortality of the childrens.The birth rate was decreasing for three causes:The birth rate was decreasing for three causes:* The new condition of the life that impose an agrarian society * The new condition of the life that impose an agrarian society to an urban society.to an urban society.* The desire to have a very good life and the high consumption* The desire to have a very good life and the high consumption* Protect the childrends, and like that they won´t have illness, * Protect the childrends, and like that they won´t have illness, and have and education for them, that sometimes can be and have and education for them, that sometimes can be expensive.expensive.

Evolution of population in the poor Evolution of population in the poor countries.countries.Demographic stability:Demographic stability: Until the XX Until the XX century.century. It had a very high mortality and birth It had a very high mortality and birth raterateMortality decrease:Mortality decrease: The rich countries The rich countries help them for have more medicines and help them for have more medicines and for don´t have diseases.for don´t have diseases.

The unequal dynamic of the world The unequal dynamic of the world populationpopulation• Deceleration of the populationDeceleration of the population At the end of the XX century the experts said that we´ll have At the end of the XX century the experts said that we´ll have

an accelerated increase of people, but they were wrong.an accelerated increase of people, but they were wrong.

Today, our world population is much lower because the Today, our world population is much lower because the general deceleration of the birth rate. In Africa, general deceleration of the birth rate. In Africa,

they have a lot of diseases and this isthey have a lot of diseases and this is

catastrophic. catastrophic.

Also, the fertility rate has decreased at Also, the fertility rate has decreased at

global scale. But, the population will global scale. But, the population will

increase during the years.increase during the years.

AAlthough the actual dynamics, there lthough the actual dynamics, there

is a decrease in the birth rates of the is a decrease in the birth rates of the 

world population, there are big world population, there are big

differences between rich and poor differences between rich and poor

countriescountries..

The population in rich countriesThe population in rich countriesThe general characteristic of the population dynamic is his The general characteristic of the population dynamic is his process of aging. The decrease of the birth rate because process of aging. The decrease of the birth rate because the fertility decrease. The reasons are a lot, but some of the fertility decrease. The reasons are a lot, but some of them are: it´s difficult to have an stable job, the wish to them are: it´s difficult to have an stable job, the wish to have a good life, difficult things for live in a block of flats…have a good life, difficult things for live in a block of flats…A high life hope: They had better aliments, good doctors A high life hope: They had better aliments, good doctors and with them, we had too many old people, and the and with them, we had too many old people, and the people lived more.people lived more.The population in poor countriesThe population in poor countriesAlthought the fertility rate appears decrease slowly, the Althought the fertility rate appears decrease slowly, the general general characteristic is the high birth rate.characteristic is the high birth rate.* The population is young and * The population is young and there are lot of people with the there are lot of people with the age for have childrensage for have childrens* The increasing population need * The increasing population need more food, hospitals, schools, jobsmore food, hospitals, schools, jobs and places to live. and places to live.* In the countries that there aren´t* In the countries that there aren´t old-age pensions or health services, old-age pensions or health services, and where the school isn´t obligatory,and where the school isn´t obligatory, the chlidrens always have the chlidrens always have represented a wealth for the families.represented a wealth for the families.

The population dynamics: The The population dynamics: The migrationmigration• The population dynamic also depends in the migrations:The population dynamic also depends in the migrations:

Emigrate is leave a place where you were born during a long Emigrate is leave a place where you were born during a long time.time.

The persons who lived their origin´s place are called emigrants.The persons who lived their origin´s place are called emigrants.

The persons who are living in a city that it isn´t their origin are The persons who are living in a city that it isn´t their origin are called immigrant.called immigrant.

The migration settlement and his consequencesThe migration settlement and his consequences

The migratory settlement is substract immigrant with emigrants, The migratory settlement is substract immigrant with emigrants, and it can be negative or positive. and it can be negative or positive.

Migratory negative settlement:Migratory negative settlement: A country has it when the country A country has it when the country lose population. The consequences are:lose population. The consequences are:

It decrease the social pressure, abandonment of the rural areas It decrease the social pressure, abandonment of the rural areas and the emigrants send money to their families.and the emigrants send money to their families.

Migratory positive settlement:Migratory positive settlement: A country has it when it win A country has it when it win population, and the consequences are:population, and the consequences are:

Increase of adult population and wealth, high index of fecundity Increase of adult population and wealth, high index of fecundity in the immigration proceeding from poor countries, economic in the immigration proceeding from poor countries, economic contribution of the immigration and the immigration contributes contribution of the immigration and the immigration contributes cultural diversity.cultural diversity.

The migrations right nowThe migrations right now• There is a type of emigration consisted of very qualified persons. There is a type of emigration consisted of very qualified persons.

These persons (investigators, sportsmen ...) are emigrants, but in These persons (investigators, sportsmen ...) are emigrants, but in this case, we speak about mobility of population.this case, we speak about mobility of population.

However, they are caused by the fault of work and they proceed However, they are caused by the fault of work and they proceed of:of:

Territories very filled with the south-east of Asia: they emigrate Territories very filled with the south-east of Asia: they emigrate towards the nearest developed countries.towards the nearest developed countries.

Proceeding emigration Proceeding emigration of Africa: they look for of Africa: they look for routes to come until routes to come until Europe, part of this Europe, part of this emigration is legal and emigration is legal and the other it isn´t legal.the other it isn´t legal. Proceeding from Europa'sProceeding from Europa's countries of the East: countries of the East: They have a They have a development development economic much lower.economic much lower.

The population pyramidThe population pyramid A pyramid of population or of ages is a graph that it show A pyramid of population or of ages is a graph that it show

us to see, to understand and tous to see, to understand and to

explain many of the characteristics that the explain many of the characteristics that the

population of a country has.population of a country has.

The pyramid shows us theThe pyramid shows us the

history of the country´shistory of the country´s

population: when a lot of population: when a lot of

childrens were born, if a childrens were born, if a

catastrophe has suffered as catastrophe has suffered as

a war or an epidemic, if the a war or an epidemic, if the

population has increased in a population has increased in a

moment because the strong moment because the strong

immigration.immigration.

The population and the workThe population and the work• Active populationActive population: :

We´ll need need to know the poblation´s situation respects the We´ll need need to know the poblation´s situation respects the work.work.

The active population is the population who works or who wants The active population is the population who works or who wants to work though it doesn´t have job. It include also the occuped to work though it doesn´t have job. It include also the occuped population, which gets a salary for his work, the population in population, which gets a salary for his work, the population in unemployment and the people who look for a job.unemployment and the people who look for a job.

The population that it isn´t active: The boys, girls, The population that it isn´t active: The boys, girls, pensioners, pensioners, disabled persons for work… The laboral activities aren´t active disabled persons for work… The laboral activities aren´t active population, like the housework.population, like the housework.

A good index for measuring wealthA good index for measuring wealth

   creation for the work is to calculatecreation for the work is to calculate

   the activity rate. activity rates arethe activity rate. activity rates are

   higher in rich countries and thehigher in rich countries and the

   lowest rates are in poor countries.lowest rates are in poor countries.

The productive sectors and the differences between The productive sectors and the differences between countriescountriesThe active population for productive sectors let us to The active population for productive sectors let us to know the degree of economic development of a know the degree of economic development of a country:country: In the rich countries, the percentage of active In the rich countries, the percentage of active population in the primary sector is very low.population in the primary sector is very low. In the industrial countries it´s usual to decrease the In the industrial countries it´s usual to decrease the active population that it´s worked at the secondary active population that it´s worked at the secondary sector, and in the developed countries, the tertiary sector, and in the developed countries, the tertiary sector grows.sector grows.In the poor countries the half of the actual population In the poor countries the half of the actual population is work at the primary sector.is work at the primary sector.

The problem of the unemploymentThe principal reasons of the developed´s dispossession countries are: the mechanization, informatives of many tasks, close the companies. In the poor countries, the problem of the unemployment and the work is very usually. There, the active population is working at the agriculture, but the population grows very quikly and there aren´t lands for all. When they are like that, the population emigrates. In the poor countries there are very few working places.