The articles that you find may include statistics. If you need specific pieces of data or data sets to support your findings, statistical databases are available:
Statistical tables on population, economics, labor, health, education, natural resources and other topics from hundreds of US and international government and business reports, 1999 to the present.
Online database of public opinion polls containing the full text of 600,000+ questions and responses, from 18,000+ surveys and 1,700+ polling organizations, conducted from 1986 through the present in the United States and more than 100 other countries around the world.
