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Geo > Démographie > Flashcards

Démographie Flashcards

1
Q

Formulae acroissement naturel

A

Naissances-décès

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2
Q

Migration nette

A

Immigrants-émmigrants

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3
Q

Formule croissance démographique

A

Acroissemnet naturel+migration nette

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4
Q

Formule taux de croissance démographique

A

(Croissance démographique/population) x 100

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5
Q

Formule temps de doublement

A

70/taux de croissance démographique

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6
Q

Formule ratio de dépendance

A

(Enfants+personnes âgées) / population active x 100

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Geo (4 decks)

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