Determine the extent of the problem. Include statistics indicating the magnitude of problem and the urgent need to address it.
Trends showing the exasperation of the problem are useful.
The remainder of the paragraph supports or explains the significance of the introductory sentence. Elaboration of the general problem should follow the introductory paragraph, but try to keep it reasonably brief. Assume the reviewer is marginally aware of the problem. Once the general problem is communicated construct a bridge paragraph to relate the general problem to the specific issues that led you to develop this project. Describe the needs this project meets.