The given pie charts provide information about the percentage of people employed in 3 various sectors – manufacturing, sales and services in two towns in 1960 and 2010.
Overall, it can be seen that whereas manufacturing saw a significant rise in new jobs in both towns during the studied period, the employment rate in sales, conversely, dropped. Meanwhile, the data about the change in the service sector varies between towns.
Focusing on town A, by 2010 the manufacturing sector had overtaken sales, rising dramatically from 29% in 1960 to 64% in 2010. On the contrary, the number of people employed in sales fell sharply, with 21% fewer people working there in 2010 in comparison to 1960.
Concerning town B, the employment rate in manufacturing by 2010 was also more than twice as large as it was in 1960 , with 15% more citizens of this town working there. In addition, sales sector saw a minor drop in its popularity across workers, with 17% less being employed there. However, unlike in town A, the services sector actually witnessed 2% more people working there by 2010, with its figure rising slightly from 20 to 22 percent.