Employment structures can also change over time within the same country.
the UK in 1,800 most people would have been employed in the primary
sector. Many people worked on the land, and made their living from
agriculture and related products.
During the industrial revolution,
more people were needed to build ships, work in steel making and with
textiles. All of these jobs are found in the secondary sector. By 1900
over half of the workers in the UK were employed in secondary
Since 1900 mechanisation
meant that less people were required to work on the land and in
industry, as machines could carry out most of the work that people
Foreign industries also became more competitive and imports
such as coal became more affordable. As the availability of coal
declined in the UK, and also became more expensive to extract more coal
was imported. This led to a further decline in primary sector employment in the UK.
The demand for work increased in schools, hospitals and retail
industries. Many people left the rural areas in the search for jobs in
the towns and cities. By the year 2000 over half of the UK workforce
were employed in tertiary
industries and only a small number were employed in primary industries.
This has changed the work that people do, and also where they work. Quaternary
industries are a relatively new concept, and it is only recently that
they have been added to these figures. However it is becoming an
important and growing sector in the UK as many firms want to carry out
research and development for their products @okhan