UNDP Human Development Reports
Look at the different national and regional reports -- these will have good information about your countries. Also check out the Indices & Data link at the top of the website.
WHO's Global Health Observatory
WHO portal providing access to data and analyses for monitoring the global health situation -- links to all kinds of data and statistics from countries around the world.
WHO's "Links to National Health-related Websites" lists links to other countries' national health info/stats.
Published annually by WHO. Each year has a different focus (e.g. 2001 on mental health)