Population pyramids (Edexcel GCSE Statistics): Flashcards
📚Flashcards
Practise the cards
7 cards from this deck
ShowHide
Practise the cards
7 cards from this deck
What are population pyramids used for?
What are population pyramids used for?
Understand age structure to plan services and policies.
How are gender differences represented in population pyramids?
How are gender differences represented in population pyramids?
Males on one side, females on the opposite side.
What does a wide base in a population pyramid indicate?
What does a wide base in a population pyramid indicate?
High birth rates and a young population.
How do you compare male and female populations in a pyramid?
How do you compare male and female populations in a pyramid?
Look at how far each bar extends from the centre line.
How can population pyramids show effects of historical events?
How can population pyramids show effects of historical events?
Shape changes reflect wars, booms, or crises.
How does the pyramid shape reflect past demographic events?
How does the pyramid shape reflect past demographic events?
Narrowing or widening indicates wars, baby booms, etc.
Calculate % males under 30: 0-14=18.5,15-29=20
Calculate % males under 30: 0-14=18.5,15-29=20
38.5%