Global population terms Flashcards
global population in 1000BC
10 million
global population in 1800
1 billion
global population in 1900
2 billion
global population in 2000
7 billion
where has growth rate been the fastest?
Asian countries e.g. Bangladesh
What is happening in Bangladesh now?
family size is decreasing
fertility rate definition
the number of children a woman is expected to have during her fertile years
how is fertility rate linked to life expectancy?
as fertility rate decreases, life expectancy increases
in last 50 years how has global average number of babies per woman changed?
1963=5
now average is 2.3 (2012)
why did so many children die before age 5 a generation ago?
poor healthcare
why has infant mortality rate been greatly reduced?
vaccines, treatment of infections and better nutrition
how has reduction in infant mortality rate affected family size?
more children survive so don’t need as many children in case some of them die
what will (predicted) happen to population growth by 2100?
reach around 11 billion
why has population growth slowed down?
improved education and family planning
peak child definition
the number of children aren’t increasing