Age structure

Australia and Japan

Australia's age structure diagram

  • Population growth rate: 1.09%

  • Ages 20-40 hold the biggest part of the population.

Population growth

  • Big increase in young adults due immigration
  • Large growth of 0-4 year olds (12.7%)
  • People living longer- People with the age of 85 years or older have increased by 24%
  • The increase in the 60-64 years olds is related to the baby boomer generation moving through the age spectrum.

Japan's age structure diagram


  • Age structure: 0-14 years: 13.2% (male 8,681,728/female 8,132,809)
    15-24 years: 9.7% (male 6,429,429/female 5,890,991)
    25-54 years: 38.1% (male 23,953,643/female 24,449,655)
    55-64 years: 13.2% (male 8,413,872/female 8,400,953)
    65 years and over: 25.8%

Japan's declining population

  • In recent years, Japan has experienced population loss due to falling birth rates and almost no immigration due to strict immigration laws.

  • despite having one of the highest life expectancy in the world at 81.25 years of age as of 2006.Using the annual estimate for October of each year, the population peaked in 2008 at 128,083,960 and had fallen 285,256 by October 2011.

  • Japan's population will keep declining by about one million people every year in the coming decades.

Australia vs Japan's demography

  • In Australia the biggest fraction of the population is 20-40 year olds while Japan's biggest fraction of population is 40 and 60-65 year olds
  • Japan's population is decreasing rapidly due to lack immigration while Australia is increasing rapidly due to more immigration.

Exam Questions

1. What are some leading factors as to why there are less immigrants coming into Japan?

2.How would the an increase in young adults in Australia contribute to the birth rates going up?

3. What could be the leading cause on why Japan has one of the highest life expectancy?