demography Flashcards
what is demography?
the study of statistics that measure the size and growth of a population
when does a population increase?
when birth rates are higher than death rates
what leads to a decline in the population?
low fertility or and high mortality rates
what does immigration into a country cause?
the population to increase
what does emigration away from a country cause?
the population to decrease
what has happened to birth and fertility rates?
they have decreased
how many births were there in 2014 in England and Wales?
700,000
how many births were there in 1901 in England and Wales?
1 million
what is the total fertility rate (TFR)?
the average number of children a woman has if she followed the current fertility rate
what has happened to the TFR in England and Wales since the early 20th century?
it has decreased
what was the TFR in 2014?
1.83 children per woman
when was there unusual peaks in fertility?
during baby booms after the First and Seconds World Wars
what is the completed family size (CFS)?
the average number of children for a woman born in a specific year
3 patterns in childbearing trends in England and Wales
- people are having fewer children
- women are having children later
- more people are not having children at all
2 factors that have influenced these childbearing trends
- social changes e.g., readily available contraception
- children are expensive and time-consuming
what has happened to mortality and death rates since 1900?
they have fallen
what are infant mortality rates (IMR)?
the number of deaths of children aged 0 to 1 per 1000 live births
what was the IMR for girls and boys in 1901 in England and Wales?
13.6% for girls and 16.6%
what is the IMR now?
less than 0.5%
what has happened to adult mortality?
decreased
what has reduced mortality?
medical advancements in the second half of the 20th century
what do these medical advancements include?
the introduction of vaccines, blood transfusions, antibiotics, better care for pregnant women
what impact did these medical advancements have?
more people survived serious illness and childbirth
when was the NHS created?
1948
what did the introduction of the NHS do?
make health care free and accessible to all
how did the government improve public health?
by regulating food and drinking-water quality and enforcing laws to improve cleanliness
what did improved public awareness of infections lead to?
a decline in disease
what did McKeown (1972) say led to an improvement in mortality rates?
better nutrition
why does McKeown (1972) say better nutrition led to an improvement in mortality rates?
people were more able to fight off infection
what do critics of McKeown point out?
cases of some diseases such as measles rose as nutrition improved
what is happening to the overall age of the UK population?
it is ageing
what is life expectancy?
the average length of time a person is expected to live
what has falling mortality rates led to?
increased life expectancy
what will 1 in 3 babies born in 2013 have a life expectancy of?
100
2 factors that have contributed to an increased life expectancy
- falling infant mortality
- public health
what is an ageing population?
when the number and proportion of older people increase which causes the median age of the population to increase
what fraction of the UK population is expected to be over 65 by 2035?
one quarter
how much has the proportion of over 85s increased since 1985?
it has doubled
2 factors that mean more people live past the age of 65
- improvement in mortality rates
- increasing life expectancy
what does the decline in fertility rates mean?
fewer children are being born
what is happening to the proportion of young people in the UK?
it is decreasing
what does the ageing population change in society?
the burden of care
who does society have a reponsibility to care for?
vulnerable people e.g., children and older people