A population pyramid with a narrow top signifies a small proportion of elderly people in the population. A narrowing pyramid shows decreasing numbers in each successive age group. A mostly symmetrical pyramid indicates roughly equal numbers of males and females across age groups. A wide base signifies a large proportion of young people in the population.

1. Population Pyramids

3. 1) What does it mean when the graph has a narrow top? 2) A narrowing pyramid shows what? 3) When the pyramid is mostly symmetrical, what does this show? 4) What does a wide base signify? = a small proportion of elderly people = decreasing numbers in each age group = roughly equal numbers of males and females = a large proportion of young people

5. For these diagrams, explain.... - Birth Rate - Death Rate -Life Expectancy Some helpful words: high/low rising/falling long/short