HNPStats is a World Bank site with much international/comparative time-series data on health indicators, as well as on various economic and demographic/population measures.
The HMD (which requires a free registration) contains data tables with age and gender breakdowns for mortality and life expectancy in many countries (largely from the OECD). The site also provides links to related external sites.
A free ICPSR account is required to download data. The account must be created and accessed every 6 months from on-campus or through the proxied link above. Visit this guide for more information.
Provides access to computerized social science data collected by the Inter-University Consortium for Political and Social Research, a membership-based, not-for-profit organization serving member colleges and universities in the United States and abroad.
Contains a wide range of historical data from the earliest times to the present. Tables cover specific indicators such as employment, income, saving, poverty, construction, housing, consumer price indexes, and others.
Includes most of the statistical series from the Statistical Abstract of the United States. The electronic version is based on the five volume print edition of 2006 -- copy in Lau Ref: HA202.H57
SAMHDA, which is hosted by the ICPSR, provides "ready access to substance abuse and mental health research data." The archive contains data for survey series such as the National Survey on Drug Use and Health and Monitoring the Future: A Continuing Study of the Lifestyles And Values Of Youth.
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.
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.
The online publications portal of the Organisation for Economic Co-operation and Development. Contains books, journals, newsletters, statistical periodicals, reference works, and interactive statistical data tables in over 25 database products published since 1998. Text can be searched by theme or country. Statistics can be searched by title and theme. Statistical databases allow users to build their own tables from the latest data, draw graphs and tables, and download to Excel or as .csv files.
OECD.Stat, a feature of SourceOECD, contains quarterly, monthly and annual time series measuring economic and social conditions in OECD member countries, the most highly industrialised in the world. Topics include general economic indicators, development and aid, agriculture, national accounts, labor market and social issues, foreign trade, and industry, science and technology.