There are a number of specialized encyclopedias and other types of references, which provide background information about a variety of topics across disciplines. Some articles include statistical information. See an example.
Issues & Controversies is an online collection of articles that written by Facts On File’s own expert writers and editors. Each article includes supporting materials and helps researchers understand today’s crucial issues. Some articles include statistical information. See an example.
is an online resource covering social issues including more than 14,000 pro/con viewpoint essays, 5 million articles, nearly 6,000 statistical tables, charts and graphs, 70,000 images, and other multimedia. See an example.