The three sectors were well matched, but dominated the secondary sector in 1920. In 1995, the importance of the primary sector is minimal. the importance of the secondary sector also is reduced, while the tertiary sector increases and stands as the most important sector with a larger number of workers since 1995.

Give reasons for the changes shown in the two pie charts.

The UK is a MEDC, so its going to be tertiary economy having to worry about giving people the best services to its economy, as a country development, can give.