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Offers a variety of demographic indicators for countries and areas of the world with a population of 5,000 or more. The IDB has provided access to demographic data for over 25 years to governments, academics, other organizations and the public.

A complete login system with PHP and MySQL that handles user authentication from start to finish. It checks credentials against your database using prepared statements, verifies passwords with PHP's built-in hashing functions, and uses sessions to keep users logged in as they move from page to page.