Above is the pie chart showing the residence of San Francisco State University students in 2010. As the chart indicates, the majority of the students are coming from the sate of California. While, only 195 students are from other states. And San Francisco has quite a large population of international students.
A pie chart can inform the readers of the populations of students from different places. Moreover, it can visually show the percentage which each population takes in the whole San Francisco Student Population .