Demographic

Population pyramid:

-Expansive (expanding) Pre-industrial

-Stationary Industrial

-Contracting Post-industrial

Expansive (expanding) shape = triangle

Stationary shape = a curve, but a larger base

Contracting shape = a curve, but a smaller base

LDC=Less Developed Country

MDC=More Developed Country

Expansive (expanding) shape = triangle

Stationary shape = a curve, but a larger base

Contracting shape = a curve, but a smaller base

Fertility rate = Avarage children per women

Infant mortality = infant death rate

Human developed index = a mesuring unit to measure if this country is developed or not.

Very high: 0.8-1.0

High: 0.7-0.79

Middle: 0.55-0.7

Low: Lower than 0.55

Malthusian Crisis:

When we run out of sources on earth, there will be crime and we all going to die.

Boserup Crisis:

We will never run out of sources, because every times we close to run out of it, there will be a science develop increase the sources.