definitions of: birth rate death rate net migration, immigration and emigration how birth rates, death rates and net migration can vary between countries reasons why birth rates, death rates and net migration rates can vary between countries
the concept of an optimum population the effects of increases and decreases in population size and changes in the age and gender distribution of population
Objective notes2 learning objectives5.3.1Factors that affect population growth• definitions of:• birth rate• death rate• net migration, immigration and emigration• how birth rates, death rates and net migration can vary between countries• reasons why birth rates, death rates and net migration rates can vary between countriesView5.3.2The effects of changes in the size and structure of populations• the concept of an optimum population• the effects of increases and decreases in population size and changes in the age and gender distribution of populationView