Statistics can be powerfully persuasive when employed in the proper context. Politicians in particular are fond of using statistics to convince people to support their platforms. Fake and misleading information sources also frequently mention statistics, often with no citation. The Internet provides the easiest way of obtaining the most current statistics. Government sites and professional associations or organizations are the most reliable. A few selected resources are provided below, but ultimately your topic might require searching beyond the provided links.
Economics, Labor & Employment Issues
Energy & Environment Issues
Technology, Communication, & Behavior
Business marketers are often looking for the same types of information as speech writers. After all, an advertisement or branding is how a company gets its audience to buy in to the product or service the business is selling.