birth rate

death rate

natural increase

natural decrease

demographic transition model

population pyramid

overpopulation

overpopulated LEDC social problems

overpopulated LEDC economic problems

overpopulated LEDC environmental problems

strategies to control overpopulation

aging population

social impacts of an aging population

economic impacts of an aging population

strategies to help with aging population

aging population case study

migration

immigration

emigration

refugees

economic migrants

push factors

pull factors

push factors examples

pull factors examples

positive impacts of international migration

negative impacts of international migration

economic migrations
PUSH factors from Poland

economic migrations
PULL factors to UK

impacts in Poland

impacts in UK