demographic timeline

  • Period: 1200 BCE to

    first stage

    High birth and stable
    Crude death rate -> sporadic incidence of famine, disease and war
    Infant mortality is high and life expectancy low
    High proportion of the population under age 15
    Population growth is very slow
  • Period: to

    second stage

    Death rate declines significantly
    Birth rate remains as its precious level
    Infant mortality falls and life expectancy increases
  • Period: to

    third stage

    Lower level of mortality
    Birth rate begins to decline --> due to the aftermath of the dictatorship
    Life expectancy continues to increase
    Infant mortality to decrease
  • Period: to

    fourth stage

    Birth rate and death rate are low
    Slightly higher, fluctuating somewhat due to changing economic conditions
    Slow population growth
    Death rates slightly rise as the average age of the population increases.