Population Pyramids

Question 1

What does a population pyramid show

Answer 1

Shows the population structure apocalypse a country
Number of people in each 5 year age gap
Shows number of dependents and economically active people
Effects of wars, migration, and diseases

Question 2

Who are dependents

Answer 2

People under the working age (under 16), and those who have retired (over 65), that rely on the economically active group for care and help to meet their basic needs

Question 3

What is the dependency ratio

Answer 3

Number of children and elderly people that the economically active group have to support

Question 4

What is an expanding pyramid

Answer 4

Wide base ➡️ small top
Volcano 🌋 shape
Big to small

Question 5

What is a symmetrical expanding pyramid

Answer 5

Looks like a triangle
🔺

Question 6

What is a stationery pyramid

Answer 6

Wide base ➡️ curves at top

Question 7

What is a contracting pyramid

Answer 7

Small base ➡️ curved at top

Question 8

Which pyramids are symmetrical, concave and convex

Answer 8

Symmetrical ➡️ expanding
Concave ➡️ expending
Convex ➡️ stationery and contracting