Which of the following is a characteristic of population pyramid of UK?
Wide base
Narrow base
Inverted base
Narrow base and reduced narrowing of each successive bar
The historical shift of birth and death rates from high to low levels in a population.
Demographic transition
Demographic momentum
Population density
Mortality rate
The number of live births per 1000 population in a year.
Birth rate
Death rate
Infant mortality rate
Population density growth
