Population Change

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How does Population Grow?

Zero Growth - A population in balance. Birth rate is equal to death rate. So there is no growth or decrease.

Exponential Growth - A pattern where the growth rate constantly increases - J curve.

Natural decrease - the death rate exceeds the birth rate.

Natural Increase - the birth rate exceeds the death rate.

Asian 'tiger' - one of the four east Asian countries. Hong Kong, Singapore, South Korea and Taiwan. Industry rapidly grew from 1960's to 1990's.

What is the Demographic Transition Model?

Replacement rate - a birth rate high enough for a generation to be the same size as the


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